drivers/net/wireless/iwlwifi/iwl-debugfs.c

   1 /******************************************************************************
   2  *
   3  * GPL LICENSE SUMMARY
   4  *
   5  * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of version 2 of the GNU General Public License as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  19  * USA
  20  *
  21  * The full GNU General Public License is included in this distribution
  22  * in the file called LICENSE.GPL.
  23  *
  24  * Contact Information:
  25  *  Intel Linux Wireless <ilw@linux.intel.com>
  26  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  27  *****************************************************************************/
  28
  29 #include <linux/slab.h>
  30 #include <linux/kernel.h>
  31 #include <linux/module.h>
  32 #include <linux/debugfs.h>
  33
  34 #include <linux/ieee80211.h>
  35 #include <net/mac80211.h>
  36
  37
  38 #include "iwl-dev.h"
  39 #include "iwl-debug.h"
  40 #include "iwl-core.h"
  41 #include "iwl-io.h"
  42 #include "iwl-agn.h"
  43
  44 /* create and remove of files */
  45 #define DEBUGFS_ADD_FILE(name, parent, mode) do {                       \
  46         if (!debugfs_create_file(#name, mode, parent, priv,             \
  47                                  &iwl_dbgfs_##name##_ops))              \
  48                 goto err;                                               \
  49 } while (0)
  50
  51 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do {                        \
  52         struct dentry *__tmp;                                           \
  53         __tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR,           \
  54                                     parent, ptr);                       \
  55         if (IS_ERR(__tmp) || !__tmp)                                    \
  56                 goto err;                                               \
  57 } while (0)
  58
  59 #define DEBUGFS_ADD_X32(name, parent, ptr) do {                         \
  60         struct dentry *__tmp;                                           \
  61         __tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR,            \
  62                                    parent, ptr);                        \
  63         if (IS_ERR(__tmp) || !__tmp)                                    \
  64                 goto err;                                               \
  65 } while (0)
  66
  67 #define DEBUGFS_ADD_U32(name, parent, ptr, mode) do {                   \
  68         struct dentry *__tmp;                                           \
  69         __tmp = debugfs_create_u32(#name, mode,                         \
  70                                    parent, ptr);                        \
  71         if (IS_ERR(__tmp) || !__tmp)                                    \
  72                 goto err;                                               \
  73 } while (0)
  74
  75 /* file operation */
  76 #define DEBUGFS_READ_FUNC(name)                                         \
  77 static ssize_t iwl_dbgfs_##name##_read(struct file *file,               \
  78                                         char __user *user_buf,          \
  79                                         size_t count, loff_t *ppos);
  80
  81 #define DEBUGFS_WRITE_FUNC(name)                                        \
  82 static ssize_t iwl_dbgfs_##name##_write(struct file *file,              \
  83                                         const char __user *user_buf,    \
  84                                         size_t count, loff_t *ppos);
  85
  86
  87 static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file)
  88 {
  89         file->private_data = inode->i_private;
  90         return 0;
  91 }
  92
  93 #define DEBUGFS_READ_FILE_OPS(name)                                     \
  94         DEBUGFS_READ_FUNC(name);                                        \
  95 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
  96         .read = iwl_dbgfs_##name##_read,                                \
  97         .open = iwl_dbgfs_open_file_generic,                            \
  98         .llseek = generic_file_llseek,                                  \
  99 };
 100
 101 #define DEBUGFS_WRITE_FILE_OPS(name)                                    \
 102         DEBUGFS_WRITE_FUNC(name);                                       \
 103 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 104         .write = iwl_dbgfs_##name##_write,                              \
 105         .open = iwl_dbgfs_open_file_generic,                            \
 106         .llseek = generic_file_llseek,                                  \
 107 };
 108
 109
 110 #define DEBUGFS_READ_WRITE_FILE_OPS(name)                               \
 111         DEBUGFS_READ_FUNC(name);                                        \
 112         DEBUGFS_WRITE_FUNC(name);                                       \
 113 static const struct file_operations iwl_dbgfs_##name##_ops = {          \
 114         .write = iwl_dbgfs_##name##_write,                              \
 115         .read = iwl_dbgfs_##name##_read,                                \
 116         .open = iwl_dbgfs_open_file_generic,                            \
 117         .llseek = generic_file_llseek,                                  \
 118 };
 119
 120 static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
 121                                                 char __user *user_buf,
 122                                                 size_t count, loff_t *ppos) {
 123
 124         struct iwl_priv *priv = file->private_data;
 125         char *buf;
 126         int pos = 0;
 127
 128         int cnt;
 129         ssize_t ret;
 130         const size_t bufsz = 100 +
 131                 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
 132         buf = kzalloc(bufsz, GFP_KERNEL);
 133         if (!buf)
 134                 return -ENOMEM;
 135         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 136         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 137                 pos += scnprintf(buf + pos, bufsz - pos,
 138                                  "\t%25s\t\t: %u\n",
 139                                  get_mgmt_string(cnt),
 140                                  priv->tx_stats.mgmt[cnt]);
 141         }
 142         pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
 143         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 144                 pos += scnprintf(buf + pos, bufsz - pos,
 145                                  "\t%25s\t\t: %u\n",
 146                                  get_ctrl_string(cnt),
 147                                  priv->tx_stats.ctrl[cnt]);
 148         }
 149         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 150         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 151                          priv->tx_stats.data_cnt);
 152         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 153                          priv->tx_stats.data_bytes);
 154         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 155         kfree(buf);
 156         return ret;
 157 }
 158
 159 static ssize_t iwl_dbgfs_clear_traffic_statistics_write(struct file *file,
 160                                         const char __user *user_buf,
 161                                         size_t count, loff_t *ppos)
 162 {
 163         struct iwl_priv *priv = file->private_data;
 164         u32 clear_flag;
 165         char buf[8];
 166         int buf_size;
 167
 168         memset(buf, 0, sizeof(buf));
 169         buf_size = min(count, sizeof(buf) -  1);
 170         if (copy_from_user(buf, user_buf, buf_size))
 171                 return -EFAULT;
 172         if (sscanf(buf, "%x", &clear_flag) != 1)
 173                 return -EFAULT;
 174         iwl_clear_traffic_stats(priv);
 175
 176         return count;
 177 }
 178
 179 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
 180                                                 char __user *user_buf,
 181                                                 size_t count, loff_t *ppos) {
 182
 183         struct iwl_priv *priv = file->private_data;
 184         char *buf;
 185         int pos = 0;
 186         int cnt;
 187         ssize_t ret;
 188         const size_t bufsz = 100 +
 189                 sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
 190         buf = kzalloc(bufsz, GFP_KERNEL);
 191         if (!buf)
 192                 return -ENOMEM;
 193
 194         pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
 195         for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
 196                 pos += scnprintf(buf + pos, bufsz - pos,
 197                                  "\t%25s\t\t: %u\n",
 198                                  get_mgmt_string(cnt),
 199                                  priv->rx_stats.mgmt[cnt]);
 200         }
 201         pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
 202         for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
 203                 pos += scnprintf(buf + pos, bufsz - pos,
 204                                  "\t%25s\t\t: %u\n",
 205                                  get_ctrl_string(cnt),
 206                                  priv->rx_stats.ctrl[cnt]);
 207         }
 208         pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
 209         pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
 210                          priv->rx_stats.data_cnt);
 211         pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
 212                          priv->rx_stats.data_bytes);
 213
 214         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 215         kfree(buf);
 216         return ret;
 217 }
 218
 219 static ssize_t iwl_dbgfs_sram_read(struct file *file,
 220                                         char __user *user_buf,
 221                                         size_t count, loff_t *ppos)
 222 {
 223         u32 val = 0;
 224         char *buf;
 225         ssize_t ret;
 226         int i = 0;
 227         bool device_format = false;
 228         int offset = 0;
 229         int len = 0;
 230         int pos = 0;
 231         int sram;
 232         struct iwl_priv *priv = file->private_data;
 233         const struct fw_img *img;
 234         size_t bufsz;
 235
 236         /* default is to dump the entire data segment */
 237         if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) {
 238                 priv->dbgfs_sram_offset = 0x800000;
 239                 if (!priv->ucode_loaded) {
 240                         IWL_ERR(priv, "No uCode has been loadded.\n");
 241                         return -EINVAL;
 242                 }
 243                 img = &priv->fw->img[priv->shrd->ucode_type];
 244                 priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
 245         }
 246         len = priv->dbgfs_sram_len;
 247
 248         if (len == -4) {
 249                 device_format = true;
 250                 len = 4;
 251         }
 252
 253         bufsz =  50 + len * 4;
 254         buf = kmalloc(bufsz, GFP_KERNEL);
 255         if (!buf)
 256                 return -ENOMEM;
 257
 258         pos += scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
 259                          len);
 260         pos += scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
 261                         priv->dbgfs_sram_offset);
 262
 263         /* adjust sram address since reads are only on even u32 boundaries */
 264         offset = priv->dbgfs_sram_offset & 0x3;
 265         sram = priv->dbgfs_sram_offset & ~0x3;
 266
 267         /* read the first u32 from sram */
 268         val = iwl_read_targ_mem(trans(priv), sram);
 269
 270         for (; len; len--) {
 271                 /* put the address at the start of every line */
 272                 if (i == 0)
 273                         pos += scnprintf(buf + pos, bufsz - pos,
 274                                 "%08X: ", sram + offset);
 275
 276                 if (device_format)
 277                         pos += scnprintf(buf + pos, bufsz - pos,
 278                                 "%02x", (val >> (8 * (3 - offset))) & 0xff);
 279                 else
 280                         pos += scnprintf(buf + pos, bufsz - pos,
 281                                 "%02x ", (val >> (8 * offset)) & 0xff);
 282
 283                 /* if all bytes processed, read the next u32 from sram */
 284                 if (++offset == 4) {
 285                         sram += 4;
 286                         offset = 0;
 287                         val = iwl_read_targ_mem(trans(priv), sram);
 288                 }
 289
 290                 /* put in extra spaces and split lines for human readability */
 291                 if (++i == 16) {
 292                         i = 0;
 293                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 294                 } else if (!(i & 7)) {
 295                         pos += scnprintf(buf + pos, bufsz - pos, "   ");
 296                 } else if (!(i & 3)) {
 297                         pos += scnprintf(buf + pos, bufsz - pos, " ");
 298                 }
 299         }
 300         if (i)
 301                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 302
 303         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 304         kfree(buf);
 305         return ret;
 306 }
 307
 308 static ssize_t iwl_dbgfs_sram_write(struct file *file,
 309                                         const char __user *user_buf,
 310                                         size_t count, loff_t *ppos)
 311 {
 312         struct iwl_priv *priv = file->private_data;
 313         char buf[64];
 314         int buf_size;
 315         u32 offset, len;
 316
 317         memset(buf, 0, sizeof(buf));
 318         buf_size = min(count, sizeof(buf) -  1);
 319         if (copy_from_user(buf, user_buf, buf_size))
 320                 return -EFAULT;
 321
 322         if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
 323                 priv->dbgfs_sram_offset = offset;
 324                 priv->dbgfs_sram_len = len;
 325         } else if (sscanf(buf, "%x", &offset) == 1) {
 326                 priv->dbgfs_sram_offset = offset;
 327                 priv->dbgfs_sram_len = -4;
 328         } else {
 329                 priv->dbgfs_sram_offset = 0;
 330                 priv->dbgfs_sram_len = 0;
 331         }
 332
 333         return count;
 334 }
 335
 336 static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
 337                                           char __user *user_buf,
 338                                           size_t count, loff_t *ppos)
 339 {
 340         struct iwl_priv *priv = file->private_data;
 341         const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN];
 342
 343         if (!priv->wowlan_sram)
 344                 return -ENODATA;
 345
 346         return simple_read_from_buffer(user_buf, count, ppos,
 347                                        priv->wowlan_sram,
 348                                        img->sec[IWL_UCODE_SECTION_DATA].len);
 349 }
 350 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 351                                         size_t count, loff_t *ppos)
 352 {
 353         struct iwl_priv *priv = file->private_data;
 354         struct iwl_station_entry *station;
 355         struct iwl_tid_data *tid_data;
 356         char *buf;
 357         int i, j, pos = 0;
 358         ssize_t ret;
 359         /* Add 30 for initial string */
 360         const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
 361
 362         buf = kmalloc(bufsz, GFP_KERNEL);
 363         if (!buf)
 364                 return -ENOMEM;
 365
 366         pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
 367                         priv->num_stations);
 368
 369         for (i = 0; i < IWLAGN_STATION_COUNT; i++) {
 370                 station = &priv->stations[i];
 371                 if (!station->used)
 372                         continue;
 373                 pos += scnprintf(buf + pos, bufsz - pos,
 374                                  "station %d - addr: %pM, flags: %#x\n",
 375                                  i, station->sta.sta.addr,
 376                                  station->sta.station_flags_msk);
 377                 pos += scnprintf(buf + pos, bufsz - pos,
 378                                 "TID\tseq_num\trate_n_flags\n");
 379
 380                 for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
 381                         tid_data = &priv->tid_data[i][j];
 382                         pos += scnprintf(buf + pos, bufsz - pos,
 383                                 "%d:\t%#x\t%#x",
 384                                 j, tid_data->seq_number,
 385                                 tid_data->agg.rate_n_flags);
 386
 387                         if (tid_data->agg.wait_for_ba)
 388                                 pos += scnprintf(buf + pos, bufsz - pos,
 389                                                  " - waitforba");
 390                         pos += scnprintf(buf + pos, bufsz - pos, "\n");
 391                 }
 392
 393                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 394         }
 395
 396         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 397         kfree(buf);
 398         return ret;
 399 }
 400
 401 static ssize_t iwl_dbgfs_nvm_read(struct file *file,
 402                                        char __user *user_buf,
 403                                        size_t count,
 404                                        loff_t *ppos)
 405 {
 406         ssize_t ret;
 407         struct iwl_priv *priv = file->private_data;
 408         int pos = 0, ofs = 0, buf_size = 0;
 409         const u8 *ptr;
 410         char *buf;
 411         u16 eeprom_ver;
 412         size_t eeprom_len = cfg(priv)->base_params->eeprom_size;
 413         buf_size = 4 * eeprom_len + 256;
 414
 415         if (eeprom_len % 16) {
 416                 IWL_ERR(priv, "NVM size is not multiple of 16.\n");
 417                 return -ENODATA;
 418         }
 419
 420         ptr = priv->shrd->eeprom;
 421         if (!ptr) {
 422                 IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
 423                 return -ENOMEM;
 424         }
 425
 426         /* 4 characters for byte 0xYY */
 427         buf = kzalloc(buf_size, GFP_KERNEL);
 428         if (!buf) {
 429                 IWL_ERR(priv, "Can not allocate Buffer\n");
 430                 return -ENOMEM;
 431         }
 432         eeprom_ver = iwl_eeprom_query16(priv->shrd, EEPROM_VERSION);
 433         pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s, "
 434                         "version: 0x%x\n",
 435                         (trans(priv)->nvm_device_type == NVM_DEVICE_TYPE_OTP)
 436                          ? "OTP" : "EEPROM", eeprom_ver);
 437         for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) {
 438                 pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
 439                 hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
 440                                    buf_size - pos, 0);
 441                 pos += strlen(buf + pos);
 442                 if (buf_size - pos > 0)
 443                         buf[pos++] = '\n';
 444         }
 445
 446         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 447         kfree(buf);
 448         return ret;
 449 }
 450
 451 static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
 452                                        size_t count, loff_t *ppos)
 453 {
 454         struct iwl_priv *priv = file->private_data;
 455         struct ieee80211_channel *channels = NULL;
 456         const struct ieee80211_supported_band *supp_band = NULL;
 457         int pos = 0, i, bufsz = PAGE_SIZE;
 458         char *buf;
 459         ssize_t ret;
 460
 461         if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
 462                 return -EAGAIN;
 463
 464         buf = kzalloc(bufsz, GFP_KERNEL);
 465         if (!buf) {
 466                 IWL_ERR(priv, "Can not allocate Buffer\n");
 467                 return -ENOMEM;
 468         }
 469
 470         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
 471         if (supp_band) {
 472                 channels = supp_band->channels;
 473
 474                 pos += scnprintf(buf + pos, bufsz - pos,
 475                                 "Displaying %d channels in 2.4GHz band 802.11bg):\n",
 476                                 supp_band->n_channels);
 477
 478                 for (i = 0; i < supp_band->n_channels; i++)
 479                         pos += scnprintf(buf + pos, bufsz - pos,
 480                                         "%d: %ddBm: BSS%s%s, %s.\n",
 481                                         channels[i].hw_value,
 482                                         channels[i].max_power,
 483                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 484                                         " (IEEE 802.11h required)" : "",
 485                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 486                                         || (channels[i].flags &
 487                                         IEEE80211_CHAN_RADAR)) ? "" :
 488                                         ", IBSS",
 489                                         channels[i].flags &
 490                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 491                                         "passive only" : "active/passive");
 492         }
 493         supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
 494         if (supp_band) {
 495                 channels = supp_band->channels;
 496
 497                 pos += scnprintf(buf + pos, bufsz - pos,
 498                                 "Displaying %d channels in 5.2GHz band (802.11a)\n",
 499                                 supp_band->n_channels);
 500
 501                 for (i = 0; i < supp_band->n_channels; i++)
 502                         pos += scnprintf(buf + pos, bufsz - pos,
 503                                         "%d: %ddBm: BSS%s%s, %s.\n",
 504                                         channels[i].hw_value,
 505                                         channels[i].max_power,
 506                                         channels[i].flags & IEEE80211_CHAN_RADAR ?
 507                                         " (IEEE 802.11h required)" : "",
 508                                         ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
 509                                         || (channels[i].flags &
 510                                         IEEE80211_CHAN_RADAR)) ? "" :
 511                                         ", IBSS",
 512                                         channels[i].flags &
 513                                         IEEE80211_CHAN_PASSIVE_SCAN ?
 514                                         "passive only" : "active/passive");
 515         }
 516         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 517         kfree(buf);
 518         return ret;
 519 }
 520
 521 static ssize_t iwl_dbgfs_status_read(struct file *file,
 522                                                 char __user *user_buf,
 523                                                 size_t count, loff_t *ppos) {
 524
 525         struct iwl_priv *priv = file->private_data;
 526         char buf[512];
 527         int pos = 0;
 528         const size_t bufsz = sizeof(buf);
 529
 530         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
 531                 test_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status));
 532         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
 533                 test_bit(STATUS_RF_KILL_HW, &priv->status));
 534         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n",
 535                 test_bit(STATUS_CT_KILL, &priv->status));
 536         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
 537                 test_bit(STATUS_ALIVE, &priv->status));
 538         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
 539                 test_bit(STATUS_READY, &priv->status));
 540         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
 541                 test_bit(STATUS_GEO_CONFIGURED, &priv->status));
 542         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
 543                 test_bit(STATUS_EXIT_PENDING, &priv->status));
 544         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
 545                 test_bit(STATUS_STATISTICS, &priv->status));
 546         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
 547                 test_bit(STATUS_SCANNING, &priv->status));
 548         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
 549                 test_bit(STATUS_SCAN_ABORTING, &priv->status));
 550         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
 551                 test_bit(STATUS_SCAN_HW, &priv->status));
 552         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
 553                 test_bit(STATUS_POWER_PMI, &priv->shrd->status));
 554         pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
 555                 test_bit(STATUS_FW_ERROR, &priv->shrd->status));
 556         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 557 }
 558
 559 static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file,
 560                                         char __user *user_buf,
 561                                         size_t count, loff_t *ppos) {
 562
 563         struct iwl_priv *priv = file->private_data;
 564
 565         int pos = 0;
 566         int cnt = 0;
 567         char *buf;
 568         int bufsz = 24 * 64; /* 24 items * 64 char per item */
 569         ssize_t ret;
 570
 571         buf = kzalloc(bufsz, GFP_KERNEL);
 572         if (!buf) {
 573                 IWL_ERR(priv, "Can not allocate Buffer\n");
 574                 return -ENOMEM;
 575         }
 576
 577         for (cnt = 0; cnt < REPLY_MAX; cnt++) {
 578                 if (priv->rx_handlers_stats[cnt] > 0)
 579                         pos += scnprintf(buf + pos, bufsz - pos,
 580                                 "\tRx handler[%36s]:\t\t %u\n",
 581                                 get_cmd_string(cnt),
 582                                 priv->rx_handlers_stats[cnt]);
 583         }
 584
 585         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 586         kfree(buf);
 587         return ret;
 588 }
 589
 590 static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
 591                                          const char __user *user_buf,
 592                                          size_t count, loff_t *ppos)
 593 {
 594         struct iwl_priv *priv = file->private_data;
 595
 596         char buf[8];
 597         int buf_size;
 598         u32 reset_flag;
 599
 600         memset(buf, 0, sizeof(buf));
 601         buf_size = min(count, sizeof(buf) -  1);
 602         if (copy_from_user(buf, user_buf, buf_size))
 603                 return -EFAULT;
 604         if (sscanf(buf, "%x", &reset_flag) != 1)
 605                 return -EFAULT;
 606         if (reset_flag == 0)
 607                 memset(&priv->rx_handlers_stats[0], 0,
 608                         sizeof(priv->rx_handlers_stats));
 609
 610         return count;
 611 }
 612
 613 static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
 614                                        size_t count, loff_t *ppos)
 615 {
 616         struct iwl_priv *priv = file->private_data;
 617         struct iwl_rxon_context *ctx;
 618         int pos = 0, i;
 619         char buf[256 * NUM_IWL_RXON_CTX];
 620         const size_t bufsz = sizeof(buf);
 621
 622         for_each_context(priv, ctx) {
 623                 pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
 624                                  ctx->ctxid);
 625                 for (i = 0; i < AC_NUM; i++) {
 626                         pos += scnprintf(buf + pos, bufsz - pos,
 627                                 "\tcw_min\tcw_max\taifsn\ttxop\n");
 628                         pos += scnprintf(buf + pos, bufsz - pos,
 629                                 "AC[%d]\t%u\t%u\t%u\t%u\n", i,
 630                                 ctx->qos_data.def_qos_parm.ac[i].cw_min,
 631                                 ctx->qos_data.def_qos_parm.ac[i].cw_max,
 632                                 ctx->qos_data.def_qos_parm.ac[i].aifsn,
 633                                 ctx->qos_data.def_qos_parm.ac[i].edca_txop);
 634                 }
 635                 pos += scnprintf(buf + pos, bufsz - pos, "\n");
 636         }
 637         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 638 }
 639
 640 static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
 641                                 char __user *user_buf,
 642                                 size_t count, loff_t *ppos)
 643 {
 644         struct iwl_priv *priv = file->private_data;
 645         struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
 646         struct iwl_tt_restriction *restriction;
 647         char buf[100];
 648         int pos = 0;
 649         const size_t bufsz = sizeof(buf);
 650
 651         pos += scnprintf(buf + pos, bufsz - pos,
 652                         "Thermal Throttling Mode: %s\n",
 653                         tt->advanced_tt ? "Advance" : "Legacy");
 654         pos += scnprintf(buf + pos, bufsz - pos,
 655                         "Thermal Throttling State: %d\n",
 656                         tt->state);
 657         if (tt->advanced_tt) {
 658                 restriction = tt->restriction + tt->state;
 659                 pos += scnprintf(buf + pos, bufsz - pos,
 660                                 "Tx mode: %d\n",
 661                                 restriction->tx_stream);
 662                 pos += scnprintf(buf + pos, bufsz - pos,
 663                                 "Rx mode: %d\n",
 664                                 restriction->rx_stream);
 665                 pos += scnprintf(buf + pos, bufsz - pos,
 666                                 "HT mode: %d\n",
 667                                 restriction->is_ht);
 668         }
 669         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 670 }
 671
 672 static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
 673                                          const char __user *user_buf,
 674                                          size_t count, loff_t *ppos)
 675 {
 676         struct iwl_priv *priv = file->private_data;
 677         char buf[8];
 678         int buf_size;
 679         int ht40;
 680
 681         memset(buf, 0, sizeof(buf));
 682         buf_size = min(count, sizeof(buf) -  1);
 683         if (copy_from_user(buf, user_buf, buf_size))
 684                 return -EFAULT;
 685         if (sscanf(buf, "%d", &ht40) != 1)
 686                 return -EFAULT;
 687         if (!iwl_is_any_associated(priv))
 688                 priv->disable_ht40 = ht40 ? true : false;
 689         else {
 690                 IWL_ERR(priv, "Sta associated with AP - "
 691                         "Change to 40MHz channel support is not allowed\n");
 692                 return -EINVAL;
 693         }
 694
 695         return count;
 696 }
 697
 698 static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
 699                                          char __user *user_buf,
 700                                          size_t count, loff_t *ppos)
 701 {
 702         struct iwl_priv *priv = file->private_data;
 703         char buf[100];
 704         int pos = 0;
 705         const size_t bufsz = sizeof(buf);
 706
 707         pos += scnprintf(buf + pos, bufsz - pos,
 708                         "11n 40MHz Mode: %s\n",
 709                         priv->disable_ht40 ? "Disabled" : "Enabled");
 710         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 711 }
 712
 713 static ssize_t iwl_dbgfs_temperature_read(struct file *file,
 714                                          char __user *user_buf,
 715                                          size_t count, loff_t *ppos)
 716 {
 717         struct iwl_priv *priv = file->private_data;
 718         char buf[8];
 719         int pos = 0;
 720         const size_t bufsz = sizeof(buf);
 721
 722         pos += scnprintf(buf + pos, bufsz - pos, "%d\n", priv->temperature);
 723         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 724 }
 725
 726
 727 static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
 728                                                     const char __user *user_buf,
 729                                                     size_t count, loff_t *ppos)
 730 {
 731         struct iwl_priv *priv = file->private_data;
 732         char buf[8];
 733         int buf_size;
 734         int value;
 735
 736         memset(buf, 0, sizeof(buf));
 737         buf_size = min(count, sizeof(buf) -  1);
 738         if (copy_from_user(buf, user_buf, buf_size))
 739                 return -EFAULT;
 740
 741         if (sscanf(buf, "%d", &value) != 1)
 742                 return -EINVAL;
 743
 744         /*
 745          * Our users expect 0 to be "CAM", but 0 isn't actually
 746          * valid here. However, let's not confuse them and present
 747          * IWL_POWER_INDEX_1 as "1", not "0".
 748          */
 749         if (value == 0)
 750                 return -EINVAL;
 751         else if (value > 0)
 752                 value -= 1;
 753
 754         if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
 755                 return -EINVAL;
 756
 757         if (!iwl_is_ready_rf(priv))
 758                 return -EAGAIN;
 759
 760         priv->power_data.debug_sleep_level_override = value;
 761
 762         mutex_lock(&priv->mutex);
 763         iwl_power_update_mode(priv, true);
 764         mutex_unlock(&priv->mutex);
 765
 766         return count;
 767 }
 768
 769 static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
 770                                                    char __user *user_buf,
 771                                                    size_t count, loff_t *ppos)
 772 {
 773         struct iwl_priv *priv = file->private_data;
 774         char buf[10];
 775         int pos, value;
 776         const size_t bufsz = sizeof(buf);
 777
 778         /* see the write function */
 779         value = priv->power_data.debug_sleep_level_override;
 780         if (value >= 0)
 781                 value += 1;
 782
 783         pos = scnprintf(buf, bufsz, "%d\n", value);
 784         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 785 }
 786
 787 static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
 788                                                     char __user *user_buf,
 789                                                     size_t count, loff_t *ppos)
 790 {
 791         struct iwl_priv *priv = file->private_data;
 792         char buf[200];
 793         int pos = 0, i;
 794         const size_t bufsz = sizeof(buf);
 795         struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
 796
 797         pos += scnprintf(buf + pos, bufsz - pos,
 798                          "flags: %#.2x\n", le16_to_cpu(cmd->flags));
 799         pos += scnprintf(buf + pos, bufsz - pos,
 800                          "RX/TX timeout: %d/%d usec\n",
 801                          le32_to_cpu(cmd->rx_data_timeout),
 802                          le32_to_cpu(cmd->tx_data_timeout));
 803         for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
 804                 pos += scnprintf(buf + pos, bufsz - pos,
 805                                  "sleep_interval[%d]: %d\n", i,
 806                                  le32_to_cpu(cmd->sleep_interval[i]));
 807
 808         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 809 }
 810
 811 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 812 DEBUGFS_READ_FILE_OPS(wowlan_sram);
 813 DEBUGFS_READ_FILE_OPS(nvm);
 814 DEBUGFS_READ_FILE_OPS(stations);
 815 DEBUGFS_READ_FILE_OPS(channels);
 816 DEBUGFS_READ_FILE_OPS(status);
 817 DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
 818 DEBUGFS_READ_FILE_OPS(qos);
 819 DEBUGFS_READ_FILE_OPS(thermal_throttling);
 820 DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
 821 DEBUGFS_READ_FILE_OPS(temperature);
 822 DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
 823 DEBUGFS_READ_FILE_OPS(current_sleep_command);
 824
 825 static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
 826                                          char __user *user_buf,
 827                                          size_t count, loff_t *ppos)
 828 {
 829         struct iwl_priv *priv = file->private_data;
 830         int pos = 0, ofs = 0;
 831         int cnt = 0, entry;
 832
 833         char *buf;
 834         int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
 835                 (cfg(priv)->base_params->num_of_queues * 32 * 8) + 400;
 836         const u8 *ptr;
 837         ssize_t ret;
 838
 839         buf = kzalloc(bufsz, GFP_KERNEL);
 840         if (!buf) {
 841                 IWL_ERR(priv, "Can not allocate buffer\n");
 842                 return -ENOMEM;
 843         }
 844         if (priv->tx_traffic && iwl_have_debug_level(IWL_DL_TX)) {
 845                 ptr = priv->tx_traffic;
 846                 pos += scnprintf(buf + pos, bufsz - pos,
 847                                 "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
 848                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 849                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 850                              entry++,  ofs += 16) {
 851                                 pos += scnprintf(buf + pos, bufsz - pos,
 852                                                 "0x%.4x ", ofs);
 853                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 854                                                    buf + pos, bufsz - pos, 0);
 855                                 pos += strlen(buf + pos);
 856                                 if (bufsz - pos > 0)
 857                                         buf[pos++] = '\n';
 858                         }
 859                 }
 860         }
 861
 862         if (priv->rx_traffic && iwl_have_debug_level(IWL_DL_RX)) {
 863                 ptr = priv->rx_traffic;
 864                 pos += scnprintf(buf + pos, bufsz - pos,
 865                                 "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
 866                 for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
 867                         for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
 868                              entry++,  ofs += 16) {
 869                                 pos += scnprintf(buf + pos, bufsz - pos,
 870                                                 "0x%.4x ", ofs);
 871                                 hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
 872                                                    buf + pos, bufsz - pos, 0);
 873                                 pos += strlen(buf + pos);
 874                                 if (bufsz - pos > 0)
 875                                         buf[pos++] = '\n';
 876                         }
 877                 }
 878         }
 879
 880         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 881         kfree(buf);
 882         return ret;
 883 }
 884
 885 static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
 886                                          const char __user *user_buf,
 887                                          size_t count, loff_t *ppos)
 888 {
 889         struct iwl_priv *priv = file->private_data;
 890         char buf[8];
 891         int buf_size;
 892         int traffic_log;
 893
 894         memset(buf, 0, sizeof(buf));
 895         buf_size = min(count, sizeof(buf) -  1);
 896         if (copy_from_user(buf, user_buf, buf_size))
 897                 return -EFAULT;
 898         if (sscanf(buf, "%d", &traffic_log) != 1)
 899                 return -EFAULT;
 900         if (traffic_log == 0)
 901                 iwl_reset_traffic_log(priv);
 902
 903         return count;
 904 }
 905
 906 static const char *fmt_value = "  %-30s %10u\n";
 907 static const char *fmt_hex   = "  %-30s       0x%02X\n";
 908 static const char *fmt_table = "  %-30s %10u  %10u  %10u  %10u\n";
 909 static const char *fmt_header =
 910         "%-32s    current  cumulative       delta         max\n";
 911
 912 static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
 913 {
 914         int p = 0;
 915         u32 flag;
 916
 917         lockdep_assert_held(&priv->statistics.lock);
 918
 919         flag = le32_to_cpu(priv->statistics.flag);
 920
 921         p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag);
 922         if (flag & UCODE_STATISTICS_CLEAR_MSK)
 923                 p += scnprintf(buf + p, bufsz - p,
 924                 "\tStatistics have been cleared\n");
 925         p += scnprintf(buf + p, bufsz - p, "\tOperational Frequency: %s\n",
 926                 (flag & UCODE_STATISTICS_FREQUENCY_MSK)
 927                 ? "2.4 GHz" : "5.2 GHz");
 928         p += scnprintf(buf + p, bufsz - p, "\tTGj Narrow Band: %s\n",
 929                 (flag & UCODE_STATISTICS_NARROW_BAND_MSK)
 930                  ? "enabled" : "disabled");
 931
 932         return p;
 933 }
 934
 935 static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
 936                                         char __user *user_buf,
 937                                         size_t count, loff_t *ppos)
 938 {
 939         struct iwl_priv *priv = file->private_data;
 940         int pos = 0;
 941         char *buf;
 942         int bufsz = sizeof(struct statistics_rx_phy) * 40 +
 943                     sizeof(struct statistics_rx_non_phy) * 40 +
 944                     sizeof(struct statistics_rx_ht_phy) * 40 + 400;
 945         ssize_t ret;
 946         struct statistics_rx_phy *ofdm, *accum_ofdm, *delta_ofdm, *max_ofdm;
 947         struct statistics_rx_phy *cck, *accum_cck, *delta_cck, *max_cck;
 948         struct statistics_rx_non_phy *general, *accum_general;
 949         struct statistics_rx_non_phy *delta_general, *max_general;
 950         struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht;
 951
 952         if (!iwl_is_alive(priv))
 953                 return -EAGAIN;
 954
 955         buf = kzalloc(bufsz, GFP_KERNEL);
 956         if (!buf) {
 957                 IWL_ERR(priv, "Can not allocate Buffer\n");
 958                 return -ENOMEM;
 959         }
 960
 961         /*
 962          * the statistic information display here is based on
 963          * the last statistics notification from uCode
 964          * might not reflect the current uCode activity
 965          */
 966         spin_lock_bh(&priv->statistics.lock);
 967         ofdm = &priv->statistics.rx_ofdm;
 968         cck = &priv->statistics.rx_cck;
 969         general = &priv->statistics.rx_non_phy;
 970         ht = &priv->statistics.rx_ofdm_ht;
 971         accum_ofdm = &priv->accum_stats.rx_ofdm;
 972         accum_cck = &priv->accum_stats.rx_cck;
 973         accum_general = &priv->accum_stats.rx_non_phy;
 974         accum_ht = &priv->accum_stats.rx_ofdm_ht;
 975         delta_ofdm = &priv->delta_stats.rx_ofdm;
 976         delta_cck = &priv->delta_stats.rx_cck;
 977         delta_general = &priv->delta_stats.rx_non_phy;
 978         delta_ht = &priv->delta_stats.rx_ofdm_ht;
 979         max_ofdm = &priv->max_delta_stats.rx_ofdm;
 980         max_cck = &priv->max_delta_stats.rx_cck;
 981         max_general = &priv->max_delta_stats.rx_non_phy;
 982         max_ht = &priv->max_delta_stats.rx_ofdm_ht;
 983
 984         pos += iwl_statistics_flag(priv, buf, bufsz);
 985         pos += scnprintf(buf + pos, bufsz - pos,
 986                          fmt_header, "Statistics_Rx - OFDM:");
 987         pos += scnprintf(buf + pos, bufsz - pos,
 988                          fmt_table, "ina_cnt:",
 989                          le32_to_cpu(ofdm->ina_cnt),
 990                          accum_ofdm->ina_cnt,
 991                          delta_ofdm->ina_cnt, max_ofdm->ina_cnt);
 992         pos += scnprintf(buf + pos, bufsz - pos,
 993                          fmt_table, "fina_cnt:",
 994                          le32_to_cpu(ofdm->fina_cnt), accum_ofdm->fina_cnt,
 995                          delta_ofdm->fina_cnt, max_ofdm->fina_cnt);
 996         pos += scnprintf(buf + pos, bufsz - pos,
 997                          fmt_table, "plcp_err:",
 998                          le32_to_cpu(ofdm->plcp_err), accum_ofdm->plcp_err,
 999                          delta_ofdm->plcp_err, max_ofdm->plcp_err);
1000         pos += scnprintf(buf + pos, bufsz - pos,
1001                          fmt_table, "crc32_err:",
1002                          le32_to_cpu(ofdm->crc32_err), accum_ofdm->crc32_err,
1003                          delta_ofdm->crc32_err, max_ofdm->crc32_err);
1004         pos += scnprintf(buf + pos, bufsz - pos,
1005                          fmt_table, "overrun_err:",
1006                          le32_to_cpu(ofdm->overrun_err),
1007                          accum_ofdm->overrun_err, delta_ofdm->overrun_err,
1008                          max_ofdm->overrun_err);
1009         pos += scnprintf(buf + pos, bufsz - pos,
1010                          fmt_table, "early_overrun_err:",
1011                          le32_to_cpu(ofdm->early_overrun_err),
1012                          accum_ofdm->early_overrun_err,
1013                          delta_ofdm->early_overrun_err,
1014                          max_ofdm->early_overrun_err);
1015         pos += scnprintf(buf + pos, bufsz - pos,
1016                          fmt_table, "crc32_good:",
1017                          le32_to_cpu(ofdm->crc32_good),
1018                          accum_ofdm->crc32_good, delta_ofdm->crc32_good,
1019                          max_ofdm->crc32_good);
1020         pos += scnprintf(buf + pos, bufsz - pos,
1021                          fmt_table, "false_alarm_cnt:",
1022                          le32_to_cpu(ofdm->false_alarm_cnt),
1023                          accum_ofdm->false_alarm_cnt,
1024                          delta_ofdm->false_alarm_cnt,
1025                          max_ofdm->false_alarm_cnt);
1026         pos += scnprintf(buf + pos, bufsz - pos,
1027                          fmt_table, "fina_sync_err_cnt:",
1028                          le32_to_cpu(ofdm->fina_sync_err_cnt),
1029                          accum_ofdm->fina_sync_err_cnt,
1030                          delta_ofdm->fina_sync_err_cnt,
1031                          max_ofdm->fina_sync_err_cnt);
1032         pos += scnprintf(buf + pos, bufsz - pos,
1033                          fmt_table, "sfd_timeout:",
1034                          le32_to_cpu(ofdm->sfd_timeout),
1035                          accum_ofdm->sfd_timeout, delta_ofdm->sfd_timeout,
1036                          max_ofdm->sfd_timeout);
1037         pos += scnprintf(buf + pos, bufsz - pos,
1038                          fmt_table, "fina_timeout:",
1039                          le32_to_cpu(ofdm->fina_timeout),
1040                          accum_ofdm->fina_timeout, delta_ofdm->fina_timeout,
1041                          max_ofdm->fina_timeout);
1042         pos += scnprintf(buf + pos, bufsz - pos,
1043                          fmt_table, "unresponded_rts:",
1044                          le32_to_cpu(ofdm->unresponded_rts),
1045                          accum_ofdm->unresponded_rts,
1046                          delta_ofdm->unresponded_rts,
1047                          max_ofdm->unresponded_rts);
1048         pos += scnprintf(buf + pos, bufsz - pos,
1049                          fmt_table, "rxe_frame_lmt_ovrun:",
1050                          le32_to_cpu(ofdm->rxe_frame_limit_overrun),
1051                          accum_ofdm->rxe_frame_limit_overrun,
1052                          delta_ofdm->rxe_frame_limit_overrun,
1053                          max_ofdm->rxe_frame_limit_overrun);
1054         pos += scnprintf(buf + pos, bufsz - pos,
1055                          fmt_table, "sent_ack_cnt:",
1056                          le32_to_cpu(ofdm->sent_ack_cnt),
1057                          accum_ofdm->sent_ack_cnt, delta_ofdm->sent_ack_cnt,
1058                          max_ofdm->sent_ack_cnt);
1059         pos += scnprintf(buf + pos, bufsz - pos,
1060                          fmt_table, "sent_cts_cnt:",
1061                          le32_to_cpu(ofdm->sent_cts_cnt),
1062                          accum_ofdm->sent_cts_cnt, delta_ofdm->sent_cts_cnt,
1063                          max_ofdm->sent_cts_cnt);
1064         pos += scnprintf(buf + pos, bufsz - pos,
1065                          fmt_table, "sent_ba_rsp_cnt:",
1066                          le32_to_cpu(ofdm->sent_ba_rsp_cnt),
1067                          accum_ofdm->sent_ba_rsp_cnt,
1068                          delta_ofdm->sent_ba_rsp_cnt,
1069                          max_ofdm->sent_ba_rsp_cnt);
1070         pos += scnprintf(buf + pos, bufsz - pos,
1071                          fmt_table, "dsp_self_kill:",
1072                          le32_to_cpu(ofdm->dsp_self_kill),
1073                          accum_ofdm->dsp_self_kill,
1074                          delta_ofdm->dsp_self_kill,
1075                          max_ofdm->dsp_self_kill);
1076         pos += scnprintf(buf + pos, bufsz - pos,
1077                          fmt_table, "mh_format_err:",
1078                          le32_to_cpu(ofdm->mh_format_err),
1079                          accum_ofdm->mh_format_err,
1080                          delta_ofdm->mh_format_err,
1081                          max_ofdm->mh_format_err);
1082         pos += scnprintf(buf + pos, bufsz - pos,
1083                          fmt_table, "re_acq_main_rssi_sum:",
1084                          le32_to_cpu(ofdm->re_acq_main_rssi_sum),
1085                          accum_ofdm->re_acq_main_rssi_sum,
1086                          delta_ofdm->re_acq_main_rssi_sum,
1087                          max_ofdm->re_acq_main_rssi_sum);
1088
1089         pos += scnprintf(buf + pos, bufsz - pos,
1090                          fmt_header, "Statistics_Rx - CCK:");
1091         pos += scnprintf(buf + pos, bufsz - pos,
1092                          fmt_table, "ina_cnt:",
1093                          le32_to_cpu(cck->ina_cnt), accum_cck->ina_cnt,
1094                          delta_cck->ina_cnt, max_cck->ina_cnt);
1095         pos += scnprintf(buf + pos, bufsz - pos,
1096                          fmt_table, "fina_cnt:",
1097                          le32_to_cpu(cck->fina_cnt), accum_cck->fina_cnt,
1098                          delta_cck->fina_cnt, max_cck->fina_cnt);
1099         pos += scnprintf(buf + pos, bufsz - pos,
1100                          fmt_table, "plcp_err:",
1101                          le32_to_cpu(cck->plcp_err), accum_cck->plcp_err,
1102                          delta_cck->plcp_err, max_cck->plcp_err);
1103         pos += scnprintf(buf + pos, bufsz - pos,
1104                          fmt_table, "crc32_err:",
1105                          le32_to_cpu(cck->crc32_err), accum_cck->crc32_err,
1106                          delta_cck->crc32_err, max_cck->crc32_err);
1107         pos += scnprintf(buf + pos, bufsz - pos,
1108                          fmt_table, "overrun_err:",
1109                          le32_to_cpu(cck->overrun_err),
1110                          accum_cck->overrun_err, delta_cck->overrun_err,
1111                          max_cck->overrun_err);
1112         pos += scnprintf(buf + pos, bufsz - pos,
1113                          fmt_table, "early_overrun_err:",
1114                          le32_to_cpu(cck->early_overrun_err),
1115                          accum_cck->early_overrun_err,
1116                          delta_cck->early_overrun_err,
1117                          max_cck->early_overrun_err);
1118         pos += scnprintf(buf + pos, bufsz - pos,
1119                          fmt_table, "crc32_good:",
1120                          le32_to_cpu(cck->crc32_good), accum_cck->crc32_good,
1121                          delta_cck->crc32_good, max_cck->crc32_good);
1122         pos += scnprintf(buf + pos, bufsz - pos,
1123                          fmt_table, "false_alarm_cnt:",
1124                          le32_to_cpu(cck->false_alarm_cnt),
1125                          accum_cck->false_alarm_cnt,
1126                          delta_cck->false_alarm_cnt, max_cck->false_alarm_cnt);
1127         pos += scnprintf(buf + pos, bufsz - pos,
1128                          fmt_table, "fina_sync_err_cnt:",
1129                          le32_to_cpu(cck->fina_sync_err_cnt),
1130                          accum_cck->fina_sync_err_cnt,
1131                          delta_cck->fina_sync_err_cnt,
1132                          max_cck->fina_sync_err_cnt);
1133         pos += scnprintf(buf + pos, bufsz - pos,
1134                          fmt_table, "sfd_timeout:",
1135                          le32_to_cpu(cck->sfd_timeout),
1136                          accum_cck->sfd_timeout, delta_cck->sfd_timeout,
1137                          max_cck->sfd_timeout);
1138         pos += scnprintf(buf + pos, bufsz - pos,
1139                          fmt_table, "fina_timeout:",
1140                          le32_to_cpu(cck->fina_timeout),
1141                          accum_cck->fina_timeout, delta_cck->fina_timeout,
1142                          max_cck->fina_timeout);
1143         pos += scnprintf(buf + pos, bufsz - pos,
1144                          fmt_table, "unresponded_rts:",
1145                          le32_to_cpu(cck->unresponded_rts),
1146                          accum_cck->unresponded_rts, delta_cck->unresponded_rts,
1147                          max_cck->unresponded_rts);
1148         pos += scnprintf(buf + pos, bufsz - pos,
1149                          fmt_table, "rxe_frame_lmt_ovrun:",
1150                          le32_to_cpu(cck->rxe_frame_limit_overrun),
1151                          accum_cck->rxe_frame_limit_overrun,
1152                          delta_cck->rxe_frame_limit_overrun,
1153                          max_cck->rxe_frame_limit_overrun);
1154         pos += scnprintf(buf + pos, bufsz - pos,
1155                          fmt_table, "sent_ack_cnt:",
1156                          le32_to_cpu(cck->sent_ack_cnt),
1157                          accum_cck->sent_ack_cnt, delta_cck->sent_ack_cnt,
1158                          max_cck->sent_ack_cnt);
1159         pos += scnprintf(buf + pos, bufsz - pos,
1160                          fmt_table, "sent_cts_cnt:",
1161                          le32_to_cpu(cck->sent_cts_cnt),
1162                          accum_cck->sent_cts_cnt, delta_cck->sent_cts_cnt,
1163                          max_cck->sent_cts_cnt);
1164         pos += scnprintf(buf + pos, bufsz - pos,
1165                          fmt_table, "sent_ba_rsp_cnt:",
1166                          le32_to_cpu(cck->sent_ba_rsp_cnt),
1167                          accum_cck->sent_ba_rsp_cnt,
1168                          delta_cck->sent_ba_rsp_cnt,
1169                          max_cck->sent_ba_rsp_cnt);
1170         pos += scnprintf(buf + pos, bufsz - pos,
1171                          fmt_table, "dsp_self_kill:",
1172                          le32_to_cpu(cck->dsp_self_kill),
1173                          accum_cck->dsp_self_kill, delta_cck->dsp_self_kill,
1174                          max_cck->dsp_self_kill);
1175         pos += scnprintf(buf + pos, bufsz - pos,
1176                          fmt_table, "mh_format_err:",
1177                          le32_to_cpu(cck->mh_format_err),
1178                          accum_cck->mh_format_err, delta_cck->mh_format_err,
1179                          max_cck->mh_format_err);
1180         pos += scnprintf(buf + pos, bufsz - pos,
1181                          fmt_table, "re_acq_main_rssi_sum:",
1182                          le32_to_cpu(cck->re_acq_main_rssi_sum),
1183                          accum_cck->re_acq_main_rssi_sum,
1184                          delta_cck->re_acq_main_rssi_sum,
1185                          max_cck->re_acq_main_rssi_sum);
1186
1187         pos += scnprintf(buf + pos, bufsz - pos,
1188                          fmt_header, "Statistics_Rx - GENERAL:");
1189         pos += scnprintf(buf + pos, bufsz - pos,
1190                          fmt_table, "bogus_cts:",
1191                          le32_to_cpu(general->bogus_cts),
1192                          accum_general->bogus_cts, delta_general->bogus_cts,
1193                          max_general->bogus_cts);
1194         pos += scnprintf(buf + pos, bufsz - pos,
1195                          fmt_table, "bogus_ack:",
1196                          le32_to_cpu(general->bogus_ack),
1197                          accum_general->bogus_ack, delta_general->bogus_ack,
1198                          max_general->bogus_ack);
1199         pos += scnprintf(buf + pos, bufsz - pos,
1200                          fmt_table, "non_bssid_frames:",
1201                          le32_to_cpu(general->non_bssid_frames),
1202                          accum_general->non_bssid_frames,
1203                          delta_general->non_bssid_frames,
1204                          max_general->non_bssid_frames);
1205         pos += scnprintf(buf + pos, bufsz - pos,
1206                          fmt_table, "filtered_frames:",
1207                          le32_to_cpu(general->filtered_frames),
1208                          accum_general->filtered_frames,
1209                          delta_general->filtered_frames,
1210                          max_general->filtered_frames);
1211         pos += scnprintf(buf + pos, bufsz - pos,
1212                          fmt_table, "non_channel_beacons:",
1213                          le32_to_cpu(general->non_channel_beacons),
1214                          accum_general->non_channel_beacons,
1215                          delta_general->non_channel_beacons,
1216                          max_general->non_channel_beacons);
1217         pos += scnprintf(buf + pos, bufsz - pos,
1218                          fmt_table, "channel_beacons:",
1219                          le32_to_cpu(general->channel_beacons),
1220                          accum_general->channel_beacons,
1221                          delta_general->channel_beacons,
1222                          max_general->channel_beacons);
1223         pos += scnprintf(buf + pos, bufsz - pos,
1224                          fmt_table, "num_missed_bcon:",
1225                          le32_to_cpu(general->num_missed_bcon),
1226                          accum_general->num_missed_bcon,
1227                          delta_general->num_missed_bcon,
1228                          max_general->num_missed_bcon);
1229         pos += scnprintf(buf + pos, bufsz - pos,
1230                          fmt_table, "adc_rx_saturation_time:",
1231                          le32_to_cpu(general->adc_rx_saturation_time),
1232                          accum_general->adc_rx_saturation_time,
1233                          delta_general->adc_rx_saturation_time,
1234                          max_general->adc_rx_saturation_time);
1235         pos += scnprintf(buf + pos, bufsz - pos,
1236                          fmt_table, "ina_detect_search_tm:",
1237                          le32_to_cpu(general->ina_detection_search_time),
1238                          accum_general->ina_detection_search_time,
1239                          delta_general->ina_detection_search_time,
1240                          max_general->ina_detection_search_time);
1241         pos += scnprintf(buf + pos, bufsz - pos,
1242                          fmt_table, "beacon_silence_rssi_a:",
1243                          le32_to_cpu(general->beacon_silence_rssi_a),
1244                          accum_general->beacon_silence_rssi_a,
1245                          delta_general->beacon_silence_rssi_a,
1246                          max_general->beacon_silence_rssi_a);
1247         pos += scnprintf(buf + pos, bufsz - pos,
1248                          fmt_table, "beacon_silence_rssi_b:",
1249                          le32_to_cpu(general->beacon_silence_rssi_b),
1250                          accum_general->beacon_silence_rssi_b,
1251                          delta_general->beacon_silence_rssi_b,
1252                          max_general->beacon_silence_rssi_b);
1253         pos += scnprintf(buf + pos, bufsz - pos,
1254                          fmt_table, "beacon_silence_rssi_c:",
1255                          le32_to_cpu(general->beacon_silence_rssi_c),
1256                          accum_general->beacon_silence_rssi_c,
1257                          delta_general->beacon_silence_rssi_c,
1258                          max_general->beacon_silence_rssi_c);
1259         pos += scnprintf(buf + pos, bufsz - pos,
1260                          fmt_table, "interference_data_flag:",
1261                          le32_to_cpu(general->interference_data_flag),
1262                          accum_general->interference_data_flag,
1263                          delta_general->interference_data_flag,
1264                          max_general->interference_data_flag);
1265         pos += scnprintf(buf + pos, bufsz - pos,
1266                          fmt_table, "channel_load:",
1267                          le32_to_cpu(general->channel_load),
1268                          accum_general->channel_load,
1269                          delta_general->channel_load,
1270                          max_general->channel_load);
1271         pos += scnprintf(buf + pos, bufsz - pos,
1272                          fmt_table, "dsp_false_alarms:",
1273                          le32_to_cpu(general->dsp_false_alarms),
1274                          accum_general->dsp_false_alarms,
1275                          delta_general->dsp_false_alarms,
1276                          max_general->dsp_false_alarms);
1277         pos += scnprintf(buf + pos, bufsz - pos,
1278                          fmt_table, "beacon_rssi_a:",
1279                          le32_to_cpu(general->beacon_rssi_a),
1280                          accum_general->beacon_rssi_a,
1281                          delta_general->beacon_rssi_a,
1282                          max_general->beacon_rssi_a);
1283         pos += scnprintf(buf + pos, bufsz - pos,
1284                          fmt_table, "beacon_rssi_b:",
1285                          le32_to_cpu(general->beacon_rssi_b),
1286                          accum_general->beacon_rssi_b,
1287                          delta_general->beacon_rssi_b,
1288                          max_general->beacon_rssi_b);
1289         pos += scnprintf(buf + pos, bufsz - pos,
1290                          fmt_table, "beacon_rssi_c:",
1291                          le32_to_cpu(general->beacon_rssi_c),
1292                          accum_general->beacon_rssi_c,
1293                          delta_general->beacon_rssi_c,
1294                          max_general->beacon_rssi_c);
1295         pos += scnprintf(buf + pos, bufsz - pos,
1296                          fmt_table, "beacon_energy_a:",
1297                          le32_to_cpu(general->beacon_energy_a),
1298                          accum_general->beacon_energy_a,
1299                          delta_general->beacon_energy_a,
1300                          max_general->beacon_energy_a);
1301         pos += scnprintf(buf + pos, bufsz - pos,
1302                          fmt_table, "beacon_energy_b:",
1303                          le32_to_cpu(general->beacon_energy_b),
1304                          accum_general->beacon_energy_b,
1305                          delta_general->beacon_energy_b,
1306                          max_general->beacon_energy_b);
1307         pos += scnprintf(buf + pos, bufsz - pos,
1308                          fmt_table, "beacon_energy_c:",
1309                          le32_to_cpu(general->beacon_energy_c),
1310                          accum_general->beacon_energy_c,
1311                          delta_general->beacon_energy_c,
1312                          max_general->beacon_energy_c);
1313
1314         pos += scnprintf(buf + pos, bufsz - pos,
1315                          fmt_header, "Statistics_Rx - OFDM_HT:");
1316         pos += scnprintf(buf + pos, bufsz - pos,
1317                          fmt_table, "plcp_err:",
1318                          le32_to_cpu(ht->plcp_err), accum_ht->plcp_err,
1319                          delta_ht->plcp_err, max_ht->plcp_err);
1320         pos += scnprintf(buf + pos, bufsz - pos,
1321                          fmt_table, "overrun_err:",
1322                          le32_to_cpu(ht->overrun_err), accum_ht->overrun_err,
1323                          delta_ht->overrun_err, max_ht->overrun_err);
1324         pos += scnprintf(buf + pos, bufsz - pos,
1325                          fmt_table, "early_overrun_err:",
1326                          le32_to_cpu(ht->early_overrun_err),
1327                          accum_ht->early_overrun_err,
1328                          delta_ht->early_overrun_err,
1329                          max_ht->early_overrun_err);
1330         pos += scnprintf(buf + pos, bufsz - pos,
1331                          fmt_table, "crc32_good:",
1332                          le32_to_cpu(ht->crc32_good), accum_ht->crc32_good,
1333                          delta_ht->crc32_good, max_ht->crc32_good);
1334         pos += scnprintf(buf + pos, bufsz - pos,
1335                          fmt_table, "crc32_err:",
1336                          le32_to_cpu(ht->crc32_err), accum_ht->crc32_err,
1337                          delta_ht->crc32_err, max_ht->crc32_err);
1338         pos += scnprintf(buf + pos, bufsz - pos,
1339                          fmt_table, "mh_format_err:",
1340                          le32_to_cpu(ht->mh_format_err),
1341                          accum_ht->mh_format_err,
1342                          delta_ht->mh_format_err, max_ht->mh_format_err);
1343         pos += scnprintf(buf + pos, bufsz - pos,
1344                          fmt_table, "agg_crc32_good:",
1345                          le32_to_cpu(ht->agg_crc32_good),
1346                          accum_ht->agg_crc32_good,
1347                          delta_ht->agg_crc32_good, max_ht->agg_crc32_good);
1348         pos += scnprintf(buf + pos, bufsz - pos,
1349                          fmt_table, "agg_mpdu_cnt:",
1350                          le32_to_cpu(ht->agg_mpdu_cnt),
1351                          accum_ht->agg_mpdu_cnt,
1352                          delta_ht->agg_mpdu_cnt, max_ht->agg_mpdu_cnt);
1353         pos += scnprintf(buf + pos, bufsz - pos,
1354                          fmt_table, "agg_cnt:",
1355                          le32_to_cpu(ht->agg_cnt), accum_ht->agg_cnt,
1356                          delta_ht->agg_cnt, max_ht->agg_cnt);
1357         pos += scnprintf(buf + pos, bufsz - pos,
1358                          fmt_table, "unsupport_mcs:",
1359                          le32_to_cpu(ht->unsupport_mcs),
1360                          accum_ht->unsupport_mcs,
1361                          delta_ht->unsupport_mcs, max_ht->unsupport_mcs);
1362
1363         spin_unlock_bh(&priv->statistics.lock);
1364
1365         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1366         kfree(buf);
1367         return ret;
1368 }
1369
1370 static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
1371                                         char __user *user_buf,
1372                                         size_t count, loff_t *ppos)
1373 {
1374         struct iwl_priv *priv = file->private_data;
1375         int pos = 0;
1376         char *buf;
1377         int bufsz = (sizeof(struct statistics_tx) * 48) + 250;
1378         ssize_t ret;
1379         struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx;
1380
1381         if (!iwl_is_alive(priv))
1382                 return -EAGAIN;
1383
1384         buf = kzalloc(bufsz, GFP_KERNEL);
1385         if (!buf) {
1386                 IWL_ERR(priv, "Can not allocate Buffer\n");
1387                 return -ENOMEM;
1388         }
1389
1390         /* the statistic information display here is based on
1391          * the last statistics notification from uCode
1392          * might not reflect the current uCode activity
1393          */
1394         spin_lock_bh(&priv->statistics.lock);
1395
1396         tx = &priv->statistics.tx;
1397         accum_tx = &priv->accum_stats.tx;
1398         delta_tx = &priv->delta_stats.tx;
1399         max_tx = &priv->max_delta_stats.tx;
1400
1401         pos += iwl_statistics_flag(priv, buf, bufsz);
1402         pos += scnprintf(buf + pos, bufsz - pos,
1403                          fmt_header, "Statistics_Tx:");
1404         pos += scnprintf(buf + pos, bufsz - pos,
1405                          fmt_table, "preamble:",
1406                          le32_to_cpu(tx->preamble_cnt),
1407                          accum_tx->preamble_cnt,
1408                          delta_tx->preamble_cnt, max_tx->preamble_cnt);
1409         pos += scnprintf(buf + pos, bufsz - pos,
1410                          fmt_table, "rx_detected_cnt:",
1411                          le32_to_cpu(tx->rx_detected_cnt),
1412                          accum_tx->rx_detected_cnt,
1413                          delta_tx->rx_detected_cnt, max_tx->rx_detected_cnt);
1414         pos += scnprintf(buf + pos, bufsz - pos,
1415                          fmt_table, "bt_prio_defer_cnt:",
1416                          le32_to_cpu(tx->bt_prio_defer_cnt),
1417                          accum_tx->bt_prio_defer_cnt,
1418                          delta_tx->bt_prio_defer_cnt,
1419                          max_tx->bt_prio_defer_cnt);
1420         pos += scnprintf(buf + pos, bufsz - pos,
1421                          fmt_table, "bt_prio_kill_cnt:",
1422                          le32_to_cpu(tx->bt_prio_kill_cnt),
1423                          accum_tx->bt_prio_kill_cnt,
1424                          delta_tx->bt_prio_kill_cnt,
1425                          max_tx->bt_prio_kill_cnt);
1426         pos += scnprintf(buf + pos, bufsz - pos,
1427                          fmt_table, "few_bytes_cnt:",
1428                          le32_to_cpu(tx->few_bytes_cnt),
1429                          accum_tx->few_bytes_cnt,
1430                          delta_tx->few_bytes_cnt, max_tx->few_bytes_cnt);
1431         pos += scnprintf(buf + pos, bufsz - pos,
1432                          fmt_table, "cts_timeout:",
1433                          le32_to_cpu(tx->cts_timeout), accum_tx->cts_timeout,
1434                          delta_tx->cts_timeout, max_tx->cts_timeout);
1435         pos += scnprintf(buf + pos, bufsz - pos,
1436                          fmt_table, "ack_timeout:",
1437                          le32_to_cpu(tx->ack_timeout),
1438                          accum_tx->ack_timeout,
1439                          delta_tx->ack_timeout, max_tx->ack_timeout);
1440         pos += scnprintf(buf + pos, bufsz - pos,
1441                          fmt_table, "expected_ack_cnt:",
1442                          le32_to_cpu(tx->expected_ack_cnt),
1443                          accum_tx->expected_ack_cnt,
1444                          delta_tx->expected_ack_cnt,
1445                          max_tx->expected_ack_cnt);
1446         pos += scnprintf(buf + pos, bufsz - pos,
1447                          fmt_table, "actual_ack_cnt:",
1448                          le32_to_cpu(tx->actual_ack_cnt),
1449                          accum_tx->actual_ack_cnt,
1450                          delta_tx->actual_ack_cnt,
1451                          max_tx->actual_ack_cnt);
1452         pos += scnprintf(buf + pos, bufsz - pos,
1453                          fmt_table, "dump_msdu_cnt:",
1454                          le32_to_cpu(tx->dump_msdu_cnt),
1455                          accum_tx->dump_msdu_cnt,
1456                          delta_tx->dump_msdu_cnt,
1457                          max_tx->dump_msdu_cnt);
1458         pos += scnprintf(buf + pos, bufsz - pos,
1459                          fmt_table, "abort_nxt_frame_mismatch:",
1460                          le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt),
1461                          accum_tx->burst_abort_next_frame_mismatch_cnt,
1462                          delta_tx->burst_abort_next_frame_mismatch_cnt,
1463                          max_tx->burst_abort_next_frame_mismatch_cnt);
1464         pos += scnprintf(buf + pos, bufsz - pos,
1465                          fmt_table, "abort_missing_nxt_frame:",
1466                          le32_to_cpu(tx->burst_abort_missing_next_frame_cnt),
1467                          accum_tx->burst_abort_missing_next_frame_cnt,
1468                          delta_tx->burst_abort_missing_next_frame_cnt,
1469                          max_tx->burst_abort_missing_next_frame_cnt);
1470         pos += scnprintf(buf + pos, bufsz - pos,
1471                          fmt_table, "cts_timeout_collision:",
1472                          le32_to_cpu(tx->cts_timeout_collision),
1473                          accum_tx->cts_timeout_collision,
1474                          delta_tx->cts_timeout_collision,
1475                          max_tx->cts_timeout_collision);
1476         pos += scnprintf(buf + pos, bufsz - pos,
1477                          fmt_table, "ack_ba_timeout_collision:",
1478                          le32_to_cpu(tx->ack_or_ba_timeout_collision),
1479                          accum_tx->ack_or_ba_timeout_collision,
1480                          delta_tx->ack_or_ba_timeout_collision,
1481                          max_tx->ack_or_ba_timeout_collision);
1482         pos += scnprintf(buf + pos, bufsz - pos,
1483                          fmt_table, "agg ba_timeout:",
1484                          le32_to_cpu(tx->agg.ba_timeout),
1485                          accum_tx->agg.ba_timeout,
1486                          delta_tx->agg.ba_timeout,
1487                          max_tx->agg.ba_timeout);
1488         pos += scnprintf(buf + pos, bufsz - pos,
1489                          fmt_table, "agg ba_resched_frames:",
1490                          le32_to_cpu(tx->agg.ba_reschedule_frames),
1491                          accum_tx->agg.ba_reschedule_frames,
1492                          delta_tx->agg.ba_reschedule_frames,
1493                          max_tx->agg.ba_reschedule_frames);
1494         pos += scnprintf(buf + pos, bufsz - pos,
1495                          fmt_table, "agg scd_query_agg_frame:",
1496                          le32_to_cpu(tx->agg.scd_query_agg_frame_cnt),
1497                          accum_tx->agg.scd_query_agg_frame_cnt,
1498                          delta_tx->agg.scd_query_agg_frame_cnt,
1499                          max_tx->agg.scd_query_agg_frame_cnt);
1500         pos += scnprintf(buf + pos, bufsz - pos,
1501                          fmt_table, "agg scd_query_no_agg:",
1502                          le32_to_cpu(tx->agg.scd_query_no_agg),
1503                          accum_tx->agg.scd_query_no_agg,
1504                          delta_tx->agg.scd_query_no_agg,
1505                          max_tx->agg.scd_query_no_agg);
1506         pos += scnprintf(buf + pos, bufsz - pos,
1507                          fmt_table, "agg scd_query_agg:",
1508                          le32_to_cpu(tx->agg.scd_query_agg),
1509                          accum_tx->agg.scd_query_agg,
1510                          delta_tx->agg.scd_query_agg,
1511                          max_tx->agg.scd_query_agg);
1512         pos += scnprintf(buf + pos, bufsz - pos,
1513                          fmt_table, "agg scd_query_mismatch:",
1514                          le32_to_cpu(tx->agg.scd_query_mismatch),
1515                          accum_tx->agg.scd_query_mismatch,
1516                          delta_tx->agg.scd_query_mismatch,
1517                          max_tx->agg.scd_query_mismatch);
1518         pos += scnprintf(buf + pos, bufsz - pos,
1519                          fmt_table, "agg frame_not_ready:",
1520                          le32_to_cpu(tx->agg.frame_not_ready),
1521                          accum_tx->agg.frame_not_ready,
1522                          delta_tx->agg.frame_not_ready,
1523                          max_tx->agg.frame_not_ready);
1524         pos += scnprintf(buf + pos, bufsz - pos,
1525                          fmt_table, "agg underrun:",
1526                          le32_to_cpu(tx->agg.underrun),
1527                          accum_tx->agg.underrun,
1528                          delta_tx->agg.underrun, max_tx->agg.underrun);
1529         pos += scnprintf(buf + pos, bufsz - pos,
1530                          fmt_table, "agg bt_prio_kill:",
1531                          le32_to_cpu(tx->agg.bt_prio_kill),
1532                          accum_tx->agg.bt_prio_kill,
1533                          delta_tx->agg.bt_prio_kill,
1534                          max_tx->agg.bt_prio_kill);
1535         pos += scnprintf(buf + pos, bufsz - pos,
1536                          fmt_table, "agg rx_ba_rsp_cnt:",
1537                          le32_to_cpu(tx->agg.rx_ba_rsp_cnt),
1538                          accum_tx->agg.rx_ba_rsp_cnt,
1539                          delta_tx->agg.rx_ba_rsp_cnt,
1540                          max_tx->agg.rx_ba_rsp_cnt);
1541
1542         if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) {
1543                 pos += scnprintf(buf + pos, bufsz - pos,
1544                         "tx power: (1/2 dB step)\n");
1545                 if ((hw_params(priv).valid_tx_ant & ANT_A) &&
1546                     tx->tx_power.ant_a)
1547                         pos += scnprintf(buf + pos, bufsz - pos,
1548                                         fmt_hex, "antenna A:",
1549                                         tx->tx_power.ant_a);
1550                 if ((hw_params(priv).valid_tx_ant & ANT_B) &&
1551                     tx->tx_power.ant_b)
1552                         pos += scnprintf(buf + pos, bufsz - pos,
1553                                         fmt_hex, "antenna B:",
1554                                         tx->tx_power.ant_b);
1555                 if ((hw_params(priv).valid_tx_ant & ANT_C) &&
1556                     tx->tx_power.ant_c)
1557                         pos += scnprintf(buf + pos, bufsz - pos,
1558                                         fmt_hex, "antenna C:",
1559                                         tx->tx_power.ant_c);
1560         }
1561
1562         spin_unlock_bh(&priv->statistics.lock);
1563
1564         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1565         kfree(buf);
1566         return ret;
1567 }
1568
1569 static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
1570                                         char __user *user_buf,
1571                                         size_t count, loff_t *ppos)
1572 {
1573         struct iwl_priv *priv = file->private_data;
1574         int pos = 0;
1575         char *buf;
1576         int bufsz = sizeof(struct statistics_general) * 10 + 300;
1577         ssize_t ret;
1578         struct statistics_general_common *general, *accum_general;
1579         struct statistics_general_common *delta_general, *max_general;
1580         struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg;
1581         struct statistics_div *div, *accum_div, *delta_div, *max_div;
1582
1583         if (!iwl_is_alive(priv))
1584                 return -EAGAIN;
1585
1586         buf = kzalloc(bufsz, GFP_KERNEL);
1587         if (!buf) {
1588                 IWL_ERR(priv, "Can not allocate Buffer\n");
1589                 return -ENOMEM;
1590         }
1591
1592         /* the statistic information display here is based on
1593          * the last statistics notification from uCode
1594          * might not reflect the current uCode activity
1595          */
1596
1597         spin_lock_bh(&priv->statistics.lock);
1598
1599         general = &priv->statistics.common;
1600         dbg = &priv->statistics.common.dbg;
1601         div = &priv->statistics.common.div;
1602         accum_general = &priv->accum_stats.common;
1603         accum_dbg = &priv->accum_stats.common.dbg;
1604         accum_div = &priv->accum_stats.common.div;
1605         delta_general = &priv->delta_stats.common;
1606         max_general = &priv->max_delta_stats.common;
1607         delta_dbg = &priv->delta_stats.common.dbg;
1608         max_dbg = &priv->max_delta_stats.common.dbg;
1609         delta_div = &priv->delta_stats.common.div;
1610         max_div = &priv->max_delta_stats.common.div;
1611
1612         pos += iwl_statistics_flag(priv, buf, bufsz);
1613         pos += scnprintf(buf + pos, bufsz - pos,
1614                          fmt_header, "Statistics_General:");
1615         pos += scnprintf(buf + pos, bufsz - pos,
1616                          fmt_value, "temperature:",
1617                          le32_to_cpu(general->temperature));
1618         pos += scnprintf(buf + pos, bufsz - pos,
1619                          fmt_value, "temperature_m:",
1620                          le32_to_cpu(general->temperature_m));
1621         pos += scnprintf(buf + pos, bufsz - pos,
1622                          fmt_value, "ttl_timestamp:",
1623                          le32_to_cpu(general->ttl_timestamp));
1624         pos += scnprintf(buf + pos, bufsz - pos,
1625                          fmt_table, "burst_check:",
1626                          le32_to_cpu(dbg->burst_check),
1627                          accum_dbg->burst_check,
1628                          delta_dbg->burst_check, max_dbg->burst_check);
1629         pos += scnprintf(buf + pos, bufsz - pos,
1630                          fmt_table, "burst_count:",
1631                          le32_to_cpu(dbg->burst_count),
1632                          accum_dbg->burst_count,
1633                          delta_dbg->burst_count, max_dbg->burst_count);
1634         pos += scnprintf(buf + pos, bufsz - pos,
1635                          fmt_table, "wait_for_silence_timeout_count:",
1636                          le32_to_cpu(dbg->wait_for_silence_timeout_cnt),
1637                          accum_dbg->wait_for_silence_timeout_cnt,
1638                          delta_dbg->wait_for_silence_timeout_cnt,
1639                          max_dbg->wait_for_silence_timeout_cnt);
1640         pos += scnprintf(buf + pos, bufsz - pos,
1641                          fmt_table, "sleep_time:",
1642                          le32_to_cpu(general->sleep_time),
1643                          accum_general->sleep_time,
1644                          delta_general->sleep_time, max_general->sleep_time);
1645         pos += scnprintf(buf + pos, bufsz - pos,
1646                          fmt_table, "slots_out:",
1647                          le32_to_cpu(general->slots_out),
1648                          accum_general->slots_out,
1649                          delta_general->slots_out, max_general->slots_out);
1650         pos += scnprintf(buf + pos, bufsz - pos,
1651                          fmt_table, "slots_idle:",
1652                          le32_to_cpu(general->slots_idle),
1653                          accum_general->slots_idle,
1654                          delta_general->slots_idle, max_general->slots_idle);
1655         pos += scnprintf(buf + pos, bufsz - pos,
1656                          fmt_table, "tx_on_a:",
1657                          le32_to_cpu(div->tx_on_a), accum_div->tx_on_a,
1658                          delta_div->tx_on_a, max_div->tx_on_a);
1659         pos += scnprintf(buf + pos, bufsz - pos,
1660                          fmt_table, "tx_on_b:",
1661                          le32_to_cpu(div->tx_on_b), accum_div->tx_on_b,
1662                          delta_div->tx_on_b, max_div->tx_on_b);
1663         pos += scnprintf(buf + pos, bufsz - pos,
1664                          fmt_table, "exec_time:",
1665                          le32_to_cpu(div->exec_time), accum_div->exec_time,
1666                          delta_div->exec_time, max_div->exec_time);
1667         pos += scnprintf(buf + pos, bufsz - pos,
1668                          fmt_table, "probe_time:",
1669                          le32_to_cpu(div->probe_time), accum_div->probe_time,
1670                          delta_div->probe_time, max_div->probe_time);
1671         pos += scnprintf(buf + pos, bufsz - pos,
1672                          fmt_table, "rx_enable_counter:",
1673                          le32_to_cpu(general->rx_enable_counter),
1674                          accum_general->rx_enable_counter,
1675                          delta_general->rx_enable_counter,
1676                          max_general->rx_enable_counter);
1677         pos += scnprintf(buf + pos, bufsz - pos,
1678                          fmt_table, "num_of_sos_states:",
1679                          le32_to_cpu(general->num_of_sos_states),
1680                          accum_general->num_of_sos_states,
1681                          delta_general->num_of_sos_states,
1682                          max_general->num_of_sos_states);
1683
1684         spin_unlock_bh(&priv->statistics.lock);
1685
1686         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1687         kfree(buf);
1688         return ret;
1689 }
1690
1691 static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
1692                                         char __user *user_buf,
1693                                         size_t count, loff_t *ppos)
1694 {
1695         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1696         int pos = 0;
1697         char *buf;
1698         int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;
1699         ssize_t ret;
1700         struct statistics_bt_activity *bt, *accum_bt;
1701
1702         if (!iwl_is_alive(priv))
1703                 return -EAGAIN;
1704
1705         if (!priv->bt_enable_flag)
1706                 return -EINVAL;
1707
1708         /* make request to uCode to retrieve statistics information */
1709         mutex_lock(&priv->mutex);
1710         ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
1711         mutex_unlock(&priv->mutex);
1712
1713         if (ret) {
1714                 IWL_ERR(priv,
1715                         "Error sending statistics request: %zd\n", ret);
1716                 return -EAGAIN;
1717         }
1718         buf = kzalloc(bufsz, GFP_KERNEL);
1719         if (!buf) {
1720                 IWL_ERR(priv, "Can not allocate Buffer\n");
1721                 return -ENOMEM;
1722         }
1723
1724         /*
1725          * the statistic information display here is based on
1726          * the last statistics notification from uCode
1727          * might not reflect the current uCode activity
1728          */
1729
1730         spin_lock_bh(&priv->statistics.lock);
1731
1732         bt = &priv->statistics.bt_activity;
1733         accum_bt = &priv->accum_stats.bt_activity;
1734
1735         pos += iwl_statistics_flag(priv, buf, bufsz);
1736         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");
1737         pos += scnprintf(buf + pos, bufsz - pos,
1738                         "\t\t\tcurrent\t\t\taccumulative\n");
1739         pos += scnprintf(buf + pos, bufsz - pos,
1740                          "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1741                          le32_to_cpu(bt->hi_priority_tx_req_cnt),
1742                          accum_bt->hi_priority_tx_req_cnt);
1743         pos += scnprintf(buf + pos, bufsz - pos,
1744                          "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1745                          le32_to_cpu(bt->hi_priority_tx_denied_cnt),
1746                          accum_bt->hi_priority_tx_denied_cnt);
1747         pos += scnprintf(buf + pos, bufsz - pos,
1748                          "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",
1749                          le32_to_cpu(bt->lo_priority_tx_req_cnt),
1750                          accum_bt->lo_priority_tx_req_cnt);
1751         pos += scnprintf(buf + pos, bufsz - pos,
1752                          "lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
1753                          le32_to_cpu(bt->lo_priority_tx_denied_cnt),
1754                          accum_bt->lo_priority_tx_denied_cnt);
1755         pos += scnprintf(buf + pos, bufsz - pos,
1756                          "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1757                          le32_to_cpu(bt->hi_priority_rx_req_cnt),
1758                          accum_bt->hi_priority_rx_req_cnt);
1759         pos += scnprintf(buf + pos, bufsz - pos,
1760                          "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1761                          le32_to_cpu(bt->hi_priority_rx_denied_cnt),
1762                          accum_bt->hi_priority_rx_denied_cnt);
1763         pos += scnprintf(buf + pos, bufsz - pos,
1764                          "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",
1765                          le32_to_cpu(bt->lo_priority_rx_req_cnt),
1766                          accum_bt->lo_priority_rx_req_cnt);
1767         pos += scnprintf(buf + pos, bufsz - pos,
1768                          "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
1769                          le32_to_cpu(bt->lo_priority_rx_denied_cnt),
1770                          accum_bt->lo_priority_rx_denied_cnt);
1771
1772         pos += scnprintf(buf + pos, bufsz - pos,
1773                          "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",
1774                          le32_to_cpu(priv->statistics.num_bt_kills),
1775                          priv->statistics.accum_num_bt_kills);
1776
1777         spin_unlock_bh(&priv->statistics.lock);
1778
1779         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1780         kfree(buf);
1781         return ret;
1782 }
1783
1784 static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
1785                                         char __user *user_buf,
1786                                         size_t count, loff_t *ppos)
1787 {
1788         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
1789         int pos = 0;
1790         char *buf;
1791         int bufsz = (sizeof(struct reply_tx_error_statistics) * 24) +
1792                 (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200;
1793         ssize_t ret;
1794
1795         if (!iwl_is_alive(priv))
1796                 return -EAGAIN;
1797
1798         buf = kzalloc(bufsz, GFP_KERNEL);
1799         if (!buf) {
1800                 IWL_ERR(priv, "Can not allocate Buffer\n");
1801                 return -ENOMEM;
1802         }
1803
1804         pos += scnprintf(buf + pos, bufsz - pos, "Statistics_TX_Error:\n");
1805         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t\t%u\n",
1806                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_DELAY),
1807                          priv->reply_tx_stats.pp_delay);
1808         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1809                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_FEW_BYTES),
1810                          priv->reply_tx_stats.pp_few_bytes);
1811         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1812                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_BT_PRIO),
1813                          priv->reply_tx_stats.pp_bt_prio);
1814         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1815                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_QUIET_PERIOD),
1816                          priv->reply_tx_stats.pp_quiet_period);
1817         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1818                          iwl_get_tx_fail_reason(TX_STATUS_POSTPONE_CALC_TTAK),
1819                          priv->reply_tx_stats.pp_calc_ttak);
1820         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1821                          iwl_get_tx_fail_reason(
1822                                 TX_STATUS_FAIL_INTERNAL_CROSSED_RETRY),
1823                          priv->reply_tx_stats.int_crossed_retry);
1824         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1825                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_SHORT_LIMIT),
1826                          priv->reply_tx_stats.short_limit);
1827         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1828                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_LONG_LIMIT),
1829                          priv->reply_tx_stats.long_limit);
1830         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1831                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
1832                          priv->reply_tx_stats.fifo_underrun);
1833         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1834                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_DRAIN_FLOW),
1835                          priv->reply_tx_stats.drain_flow);
1836         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1837                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_RFKILL_FLUSH),
1838                          priv->reply_tx_stats.rfkill_flush);
1839         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1840                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_LIFE_EXPIRE),
1841                          priv->reply_tx_stats.life_expire);
1842         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1843                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_DEST_PS),
1844                          priv->reply_tx_stats.dest_ps);
1845         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1846                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_HOST_ABORTED),
1847                          priv->reply_tx_stats.host_abort);
1848         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1849                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_BT_RETRY),
1850                          priv->reply_tx_stats.pp_delay);
1851         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1852                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_STA_INVALID),
1853                          priv->reply_tx_stats.sta_invalid);
1854         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1855                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FRAG_DROPPED),
1856                          priv->reply_tx_stats.frag_drop);
1857         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1858                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_TID_DISABLE),
1859                          priv->reply_tx_stats.tid_disable);
1860         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1861                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_FLUSHED),
1862                          priv->reply_tx_stats.fifo_flush);
1863         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1864                          iwl_get_tx_fail_reason(
1865                                 TX_STATUS_FAIL_INSUFFICIENT_CF_POLL),
1866                          priv->reply_tx_stats.insuff_cf_poll);
1867         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1868                          iwl_get_tx_fail_reason(TX_STATUS_FAIL_PASSIVE_NO_RX),
1869                          priv->reply_tx_stats.fail_hw_drop);
1870         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1871                          iwl_get_tx_fail_reason(
1872                                 TX_STATUS_FAIL_NO_BEACON_ON_RADAR),
1873                          priv->reply_tx_stats.sta_color_mismatch);
1874         pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1875                          priv->reply_tx_stats.unknown);
1876
1877         pos += scnprintf(buf + pos, bufsz - pos,
1878                          "\nStatistics_Agg_TX_Error:\n");
1879
1880         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1881                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_UNDERRUN_MSK),
1882                          priv->reply_agg_tx_stats.underrun);
1883         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1884                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_BT_PRIO_MSK),
1885                          priv->reply_agg_tx_stats.bt_prio);
1886         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1887                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_FEW_BYTES_MSK),
1888                          priv->reply_agg_tx_stats.few_bytes);
1889         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1890                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_ABORT_MSK),
1891                          priv->reply_agg_tx_stats.abort);
1892         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1893                          iwl_get_agg_tx_fail_reason(
1894                                 AGG_TX_STATE_LAST_SENT_TTL_MSK),
1895                          priv->reply_agg_tx_stats.last_sent_ttl);
1896         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1897                          iwl_get_agg_tx_fail_reason(
1898                                 AGG_TX_STATE_LAST_SENT_TRY_CNT_MSK),
1899                          priv->reply_agg_tx_stats.last_sent_try);
1900         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1901                          iwl_get_agg_tx_fail_reason(
1902                                 AGG_TX_STATE_LAST_SENT_BT_KILL_MSK),
1903                          priv->reply_agg_tx_stats.last_sent_bt_kill);
1904         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1905                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_SCD_QUERY_MSK),
1906                          priv->reply_agg_tx_stats.scd_query);
1907         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t%u\n",
1908                          iwl_get_agg_tx_fail_reason(
1909                                 AGG_TX_STATE_TEST_BAD_CRC32_MSK),
1910                          priv->reply_agg_tx_stats.bad_crc32);
1911         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1912                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_RESPONSE_MSK),
1913                          priv->reply_agg_tx_stats.response);
1914         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1915                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DUMP_TX_MSK),
1916                          priv->reply_agg_tx_stats.dump_tx);
1917         pos += scnprintf(buf + pos, bufsz - pos, "%s:\t\t\t%u\n",
1918                          iwl_get_agg_tx_fail_reason(AGG_TX_STATE_DELAY_TX_MSK),
1919                          priv->reply_agg_tx_stats.delay_tx);
1920         pos += scnprintf(buf + pos, bufsz - pos, "UNKNOWN:\t\t\t%u\n",
1921                          priv->reply_agg_tx_stats.unknown);
1922
1923         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
1924         kfree(buf);
1925         return ret;
1926 }
1927
1928 static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
1929                                         char __user *user_buf,
1930                                         size_t count, loff_t *ppos) {
1931
1932         struct iwl_priv *priv = file->private_data;
1933         int pos = 0;
1934         int cnt = 0;
1935         char *buf;
1936         int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
1937         ssize_t ret;
1938         struct iwl_sensitivity_data *data;
1939
1940         data = &priv->sensitivity_data;
1941         buf = kzalloc(bufsz, GFP_KERNEL);
1942         if (!buf) {
1943                 IWL_ERR(priv, "Can not allocate Buffer\n");
1944                 return -ENOMEM;
1945         }
1946
1947         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
1948                         data->auto_corr_ofdm);
1949         pos += scnprintf(buf + pos, bufsz - pos,
1950                         "auto_corr_ofdm_mrc:\t\t %u\n",
1951                         data->auto_corr_ofdm_mrc);
1952         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
1953                         data->auto_corr_ofdm_x1);
1954         pos += scnprintf(buf + pos, bufsz - pos,
1955                         "auto_corr_ofdm_mrc_x1:\t\t %u\n",
1956                         data->auto_corr_ofdm_mrc_x1);
1957         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
1958                         data->auto_corr_cck);
1959         pos += scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
1960                         data->auto_corr_cck_mrc);
1961         pos += scnprintf(buf + pos, bufsz - pos,
1962                         "last_bad_plcp_cnt_ofdm:\t\t %u\n",
1963                         data->last_bad_plcp_cnt_ofdm);
1964         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
1965                         data->last_fa_cnt_ofdm);
1966         pos += scnprintf(buf + pos, bufsz - pos,
1967                         "last_bad_plcp_cnt_cck:\t\t %u\n",
1968                         data->last_bad_plcp_cnt_cck);
1969         pos += scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
1970                         data->last_fa_cnt_cck);
1971         pos += scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
1972                         data->nrg_curr_state);
1973         pos += scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
1974                         data->nrg_prev_state);
1975         pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
1976         for (cnt = 0; cnt < 10; cnt++) {
1977                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1978                                 data->nrg_value[cnt]);
1979         }
1980         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1981         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
1982         for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
1983                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
1984                                 data->nrg_silence_rssi[cnt]);
1985         }
1986         pos += scnprintf(buf + pos, bufsz - pos, "\n");
1987         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
1988                         data->nrg_silence_ref);
1989         pos += scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
1990                         data->nrg_energy_idx);
1991         pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
1992                         data->nrg_silence_idx);
1993         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
1994                         data->nrg_th_cck);
1995         pos += scnprintf(buf + pos, bufsz - pos,
1996                         "nrg_auto_corr_silence_diff:\t %u\n",
1997                         data->nrg_auto_corr_silence_diff);
1998         pos += scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
1999                         data->num_in_cck_no_fa);
2000         pos += scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
2001                         data->nrg_th_ofdm);
2002
2003         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2004         kfree(buf);
2005         return ret;
2006 }
2007
2008
2009 static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
2010                                         char __user *user_buf,
2011                                         size_t count, loff_t *ppos) {
2012
2013         struct iwl_priv *priv = file->private_data;
2014         int pos = 0;
2015         int cnt = 0;
2016         char *buf;
2017         int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
2018         ssize_t ret;
2019         struct iwl_chain_noise_data *data;
2020
2021         data = &priv->chain_noise_data;
2022         buf = kzalloc(bufsz, GFP_KERNEL);
2023         if (!buf) {
2024                 IWL_ERR(priv, "Can not allocate Buffer\n");
2025                 return -ENOMEM;
2026         }
2027
2028         pos += scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
2029                         data->active_chains);
2030         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
2031                         data->chain_noise_a);
2032         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
2033                         data->chain_noise_b);
2034         pos += scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
2035                         data->chain_noise_c);
2036         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
2037                         data->chain_signal_a);
2038         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
2039                         data->chain_signal_b);
2040         pos += scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
2041                         data->chain_signal_c);
2042         pos += scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
2043                         data->beacon_count);
2044
2045         pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
2046         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2047                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2048                                 data->disconn_array[cnt]);
2049         }
2050         pos += scnprintf(buf + pos, bufsz - pos, "\n");
2051         pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
2052         for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
2053                 pos += scnprintf(buf + pos, bufsz - pos, " %u",
2054                                 data->delta_gain_code[cnt]);
2055         }
2056         pos += scnprintf(buf + pos, bufsz - pos, "\n");
2057         pos += scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
2058                         data->radio_write);
2059         pos += scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
2060                         data->state);
2061
2062         ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2063         kfree(buf);
2064         return ret;
2065 }
2066
2067 static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
2068                                                     char __user *user_buf,
2069                                                     size_t count, loff_t *ppos)
2070 {
2071         struct iwl_priv *priv = file->private_data;
2072         char buf[60];
2073         int pos = 0;
2074         const size_t bufsz = sizeof(buf);
2075         u32 pwrsave_status;
2076
2077         pwrsave_status = iwl_read32(trans(priv), CSR_GP_CNTRL) &
2078                         CSR_GP_REG_POWER_SAVE_STATUS_MSK;
2079
2080         pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
2081         pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
2082                 (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
2083                 (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
2084                 (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
2085                 "error");
2086
2087         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2088 }
2089
2090 static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
2091                                          const char __user *user_buf,
2092                                          size_t count, loff_t *ppos)
2093 {
2094         struct iwl_priv *priv = file->private_data;
2095         char buf[8];
2096         int buf_size;
2097         int clear;
2098
2099         memset(buf, 0, sizeof(buf));
2100         buf_size = min(count, sizeof(buf) -  1);
2101         if (copy_from_user(buf, user_buf, buf_size))
2102                 return -EFAULT;
2103         if (sscanf(buf, "%d", &clear) != 1)
2104                 return -EFAULT;
2105
2106         /* make request to uCode to retrieve statistics information */
2107         mutex_lock(&priv->mutex);
2108         iwl_send_statistics_request(priv, CMD_SYNC, true);
2109         mutex_unlock(&priv->mutex);
2110
2111         return count;
2112 }
2113
2114 static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
2115                                         char __user *user_buf,
2116                                         size_t count, loff_t *ppos) {
2117
2118         struct iwl_priv *priv = file->private_data;
2119         int pos = 0;
2120         char buf[128];
2121         const size_t bufsz = sizeof(buf);
2122
2123         pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n",
2124                         priv->event_log.ucode_trace ? "On" : "Off");
2125         pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n",
2126                         priv->event_log.non_wraps_count);
2127         pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n",
2128                         priv->event_log.wraps_once_count);
2129         pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n",
2130                         priv->event_log.wraps_more_count);
2131
2132         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2133 }
2134
2135 static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
2136                                          const char __user *user_buf,
2137                                          size_t count, loff_t *ppos)
2138 {
2139         struct iwl_priv *priv = file->private_data;
2140         char buf[8];
2141         int buf_size;
2142         int trace;
2143
2144         memset(buf, 0, sizeof(buf));
2145         buf_size = min(count, sizeof(buf) -  1);
2146         if (copy_from_user(buf, user_buf, buf_size))
2147                 return -EFAULT;
2148         if (sscanf(buf, "%d", &trace) != 1)
2149                 return -EFAULT;
2150
2151         if (trace) {
2152                 priv->event_log.ucode_trace = true;
2153                 if (iwl_is_alive(priv)) {
2154                         /* start collecting data now */
2155                         mod_timer(&priv->ucode_trace, jiffies);
2156                 }
2157         } else {
2158                 priv->event_log.ucode_trace = false;
2159                 del_timer_sync(&priv->ucode_trace);
2160         }
2161
2162         return count;
2163 }
2164
2165 static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
2166                                          char __user *user_buf,
2167                                          size_t count, loff_t *ppos) {
2168
2169         struct iwl_priv *priv = file->private_data;
2170         int len = 0;
2171         char buf[20];
2172
2173         len = sprintf(buf, "0x%04X\n",
2174                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.flags));
2175         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2176 }
2177
2178 static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
2179                                                 char __user *user_buf,
2180                                                 size_t count, loff_t *ppos) {
2181
2182         struct iwl_priv *priv = file->private_data;
2183         int len = 0;
2184         char buf[20];
2185
2186         len = sprintf(buf, "0x%04X\n",
2187                 le32_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.filter_flags));
2188         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
2189 }
2190
2191 static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
2192                                         char __user *user_buf,
2193                                         size_t count, loff_t *ppos) {
2194
2195         struct iwl_priv *priv = file->private_data;
2196         int pos = 0;
2197         char buf[12];
2198         const size_t bufsz = sizeof(buf);
2199
2200         pos += scnprintf(buf + pos, bufsz - pos, "%d\n",
2201                         priv->missed_beacon_threshold);
2202
2203         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2204 }
2205
2206 static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
2207                                          const char __user *user_buf,
2208                                          size_t count, loff_t *ppos)
2209 {
2210         struct iwl_priv *priv = file->private_data;
2211         char buf[8];
2212         int buf_size;
2213         int missed;
2214
2215         memset(buf, 0, sizeof(buf));
2216         buf_size = min(count, sizeof(buf) -  1);
2217         if (copy_from_user(buf, user_buf, buf_size))
2218                 return -EFAULT;
2219         if (sscanf(buf, "%d", &missed) != 1)
2220                 return -EINVAL;
2221
2222         if (missed < IWL_MISSED_BEACON_THRESHOLD_MIN ||
2223             missed > IWL_MISSED_BEACON_THRESHOLD_MAX)
2224                 priv->missed_beacon_threshold =
2225                         IWL_MISSED_BEACON_THRESHOLD_DEF;
2226         else
2227                 priv->missed_beacon_threshold = missed;
2228
2229         return count;
2230 }
2231
2232 static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
2233                                         char __user *user_buf,
2234                                         size_t count, loff_t *ppos) {
2235
2236         struct iwl_priv *priv = file->private_data;
2237         int pos = 0;
2238         char buf[12];
2239         const size_t bufsz = sizeof(buf);
2240
2241         pos += scnprintf(buf + pos, bufsz - pos, "%u\n",
2242                         priv->plcp_delta_threshold);
2243
2244         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2245 }
2246
2247 static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
2248                                         const char __user *user_buf,
2249                                         size_t count, loff_t *ppos) {
2250
2251         struct iwl_priv *priv = file->private_data;
2252         char buf[8];
2253         int buf_size;
2254         int plcp;
2255
2256         memset(buf, 0, sizeof(buf));
2257         buf_size = min(count, sizeof(buf) -  1);
2258         if (copy_from_user(buf, user_buf, buf_size))
2259                 return -EFAULT;
2260         if (sscanf(buf, "%d", &plcp) != 1)
2261                 return -EINVAL;
2262         if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) ||
2263                 (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX))
2264                 priv->plcp_delta_threshold =
2265                         IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE;
2266         else
2267                 priv->plcp_delta_threshold = plcp;
2268         return count;
2269 }
2270
2271 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
2272                                         char __user *user_buf,
2273                                         size_t count, loff_t *ppos)
2274 {
2275         struct iwl_priv *priv = file->private_data;
2276         int i, pos = 0;
2277         char buf[300];
2278         const size_t bufsz = sizeof(buf);
2279         struct iwl_force_reset *force_reset;
2280
2281         for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
2282                 force_reset = &priv->force_reset[i];
2283                 pos += scnprintf(buf + pos, bufsz - pos,
2284                                 "Force reset method %d\n", i);
2285                 pos += scnprintf(buf + pos, bufsz - pos,
2286                                 "\tnumber of reset request: %d\n",
2287                                 force_reset->reset_request_count);
2288                 pos += scnprintf(buf + pos, bufsz - pos,
2289                                 "\tnumber of reset request success: %d\n",
2290                                 force_reset->reset_success_count);
2291                 pos += scnprintf(buf + pos, bufsz - pos,
2292                                 "\tnumber of reset request reject: %d\n",
2293                                 force_reset->reset_reject_count);
2294                 pos += scnprintf(buf + pos, bufsz - pos,
2295                                 "\treset duration: %lu\n",
2296                                 force_reset->reset_duration);
2297         }
2298         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2299 }
2300
2301 static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
2302                                         const char __user *user_buf,
2303                                         size_t count, loff_t *ppos) {
2304
2305         struct iwl_priv *priv = file->private_data;
2306         char buf[8];
2307         int buf_size;
2308         int reset, ret;
2309
2310         memset(buf, 0, sizeof(buf));
2311         buf_size = min(count, sizeof(buf) -  1);
2312         if (copy_from_user(buf, user_buf, buf_size))
2313                 return -EFAULT;
2314         if (sscanf(buf, "%d", &reset) != 1)
2315                 return -EINVAL;
2316         switch (reset) {
2317         case IWL_RF_RESET:
2318         case IWL_FW_RESET:
2319                 ret = iwl_force_reset(priv, reset, true);
2320                 break;
2321         default:
2322                 return -EINVAL;
2323         }
2324         return ret ? ret : count;
2325 }
2326
2327 static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
2328                                         const char __user *user_buf,
2329                                         size_t count, loff_t *ppos) {
2330
2331         struct iwl_priv *priv = file->private_data;
2332         char buf[8];
2333         int buf_size;
2334         int flush;
2335
2336         memset(buf, 0, sizeof(buf));
2337         buf_size = min(count, sizeof(buf) -  1);
2338         if (copy_from_user(buf, user_buf, buf_size))
2339                 return -EFAULT;
2340         if (sscanf(buf, "%d", &flush) != 1)
2341                 return -EINVAL;
2342
2343         if (iwl_is_rfkill(priv))
2344                 return -EFAULT;
2345
2346         iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
2347
2348         return count;
2349 }
2350
2351 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
2352                                         const char __user *user_buf,
2353                                         size_t count, loff_t *ppos)
2354 {
2355         struct iwl_priv *priv = file->private_data;
2356         char buf[8];
2357         int buf_size;
2358         int timeout;
2359
2360         memset(buf, 0, sizeof(buf));
2361         buf_size = min(count, sizeof(buf) -  1);
2362         if (copy_from_user(buf, user_buf, buf_size))
2363                 return -EFAULT;
2364         if (sscanf(buf, "%d", &timeout) != 1)
2365                 return -EINVAL;
2366         if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
2367                 timeout = IWL_DEF_WD_TIMEOUT;
2368
2369         hw_params(priv).wd_timeout = timeout;
2370         iwl_setup_watchdog(priv);
2371         return count;
2372 }
2373
2374 static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
2375                                         char __user *user_buf,
2376                                         size_t count, loff_t *ppos) {
2377
2378         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2379         int pos = 0;
2380         char buf[200];
2381         const size_t bufsz = sizeof(buf);
2382
2383         if (!priv->bt_enable_flag) {
2384                 pos += scnprintf(buf + pos, bufsz - pos, "BT coex disabled\n");
2385                 return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2386         }
2387         pos += scnprintf(buf + pos, bufsz - pos, "BT enable flag: 0x%x\n",
2388                 priv->bt_enable_flag);
2389         pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
2390                 priv->bt_full_concurrent ? "full concurrency" : "3-wire");
2391         pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
2392                          "last traffic notif: %d\n",
2393                 priv->bt_status ? "On" : "Off", priv->last_bt_traffic_load);
2394         pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
2395                          "kill_ack_mask: %x, kill_cts_mask: %x\n",
2396                 priv->bt_ch_announce, priv->kill_ack_mask,
2397                 priv->kill_cts_mask);
2398
2399         pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
2400         switch (priv->bt_traffic_load) {
2401         case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
2402                 pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
2403                 break;
2404         case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
2405                 pos += scnprintf(buf + pos, bufsz - pos, "High\n");
2406                 break;
2407         case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
2408                 pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
2409                 break;
2410         case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
2411         default:
2412                 pos += scnprintf(buf + pos, bufsz - pos, "None\n");
2413                 break;
2414         }
2415
2416         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2417 }
2418
2419 static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
2420                                         char __user *user_buf,
2421                                         size_t count, loff_t *ppos)
2422 {
2423         struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
2424
2425         int pos = 0;
2426         char buf[40];
2427         const size_t bufsz = sizeof(buf);
2428
2429         if (cfg(priv)->ht_params)
2430                 pos += scnprintf(buf + pos, bufsz - pos,
2431                          "use %s for aggregation\n",
2432                          (hw_params(priv).use_rts_for_aggregation) ?
2433                                 "rts/cts" : "cts-to-self");
2434         else
2435                 pos += scnprintf(buf + pos, bufsz - pos, "N/A");
2436
2437         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
2438 }
2439
2440 static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
2441                                         const char __user *user_buf,
2442                                         size_t count, loff_t *ppos) {
2443
2444         struct iwl_priv *priv = file->private_data;
2445         char buf[8];
2446         int buf_size;
2447         int rts;
2448
2449         if (!cfg(priv)->ht_params)
2450                 return -EINVAL;
2451
2452         memset(buf, 0, sizeof(buf));
2453         buf_size = min(count, sizeof(buf) -  1);
2454         if (copy_from_user(buf, user_buf, buf_size))
2455                 return -EFAULT;
2456         if (sscanf(buf, "%d", &rts) != 1)
2457                 return -EINVAL;
2458         if (rts)
2459                 hw_params(priv).use_rts_for_aggregation = true;
2460         else
2461                 hw_params(priv).use_rts_for_aggregation = false;
2462         return count;
2463 }
2464
2465 static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
2466                                         const char __user *user_buf,
2467                                         size_t count, loff_t *ppos)
2468 {
2469         struct iwl_priv *priv = file->private_data;
2470         char buf[8];
2471         int buf_size;
2472
2473         memset(buf, 0, sizeof(buf));
2474         buf_size = min(count, sizeof(buf) -  1);
2475         if (copy_from_user(buf, user_buf, buf_size))
2476                 return -EFAULT;
2477
2478         iwl_cmd_echo_test(priv);
2479         return count;
2480 }
2481
2482 DEBUGFS_READ_FILE_OPS(rx_statistics);
2483 DEBUGFS_READ_FILE_OPS(tx_statistics);
2484 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
2485 DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
2486 DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
2487 DEBUGFS_READ_FILE_OPS(ucode_general_stats);
2488 DEBUGFS_READ_FILE_OPS(sensitivity);
2489 DEBUGFS_READ_FILE_OPS(chain_noise);
2490 DEBUGFS_READ_FILE_OPS(power_save_status);
2491 DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
2492 DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics);
2493 DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
2494 DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
2495 DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
2496 DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
2497 DEBUGFS_READ_FILE_OPS(rxon_flags);
2498 DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
2499 DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
2500 DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
2501 DEBUGFS_WRITE_FILE_OPS(wd_timeout);
2502 DEBUGFS_READ_FILE_OPS(bt_traffic);
2503 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
2504 DEBUGFS_READ_FILE_OPS(reply_tx_error);
2505 DEBUGFS_WRITE_FILE_OPS(echo_test);
2506
2507 /*
2508  * Create the debugfs files and directories
2509  *
2510  */
2511 int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
2512 {
2513         struct dentry *phyd = priv->hw->wiphy->debugfsdir;
2514         struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
2515
2516         dir_drv = debugfs_create_dir(name, phyd);
2517         if (!dir_drv)
2518                 return -ENOMEM;
2519
2520         priv->debugfs_dir = dir_drv;
2521
2522         dir_data = debugfs_create_dir("data", dir_drv);
2523         if (!dir_data)
2524                 goto err;
2525         dir_rf = debugfs_create_dir("rf", dir_drv);
2526         if (!dir_rf)
2527                 goto err;
2528         dir_debug = debugfs_create_dir("debug", dir_drv);
2529         if (!dir_debug)
2530                 goto err;
2531
2532         DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
2533         DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
2534         DEBUGFS_ADD_FILE(wowlan_sram, dir_data, S_IRUSR);
2535         DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
2536         DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
2537         DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
2538         DEBUGFS_ADD_FILE(rx_handlers, dir_data, S_IWUSR | S_IRUSR);
2539         DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
2540         DEBUGFS_ADD_FILE(sleep_level_override, dir_data, S_IWUSR | S_IRUSR);
2541         DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
2542         DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
2543         DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
2544         DEBUGFS_ADD_FILE(temperature, dir_data, S_IRUSR);
2545
2546         DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
2547         DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
2548         DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
2549         DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
2550         DEBUGFS_ADD_FILE(clear_ucode_statistics, dir_debug, S_IWUSR);
2551         DEBUGFS_ADD_FILE(clear_traffic_statistics, dir_debug, S_IWUSR);
2552         DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
2553         DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
2554         DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
2555         DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
2556         DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
2557         DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
2558         DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
2559         DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
2560         DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
2561         DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
2562         DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
2563         DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR);
2564         DEBUGFS_ADD_FILE(reply_tx_error, dir_debug, S_IRUSR);
2565         DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
2566         DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
2567         DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
2568         DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
2569         if (iwl_advanced_bt_coexist(priv))
2570                 DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
2571
2572         DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
2573                          &priv->disable_sens_cal);
2574         DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
2575                          &priv->disable_chain_noise_cal);
2576
2577         if (iwl_trans_dbgfs_register(trans(priv), dir_debug))
2578                 goto err;
2579         return 0;
2580
2581 err:
2582         IWL_ERR(priv, "Can't create the debugfs directory\n");
2583         iwl_dbgfs_unregister(priv);
2584         return -ENOMEM;
2585 }
2586
2587 /**
2588  * Remove the debugfs files and directories
2589  *
2590  */
2591 void iwl_dbgfs_unregister(struct iwl_priv *priv)
2592 {
2593         if (!priv->debugfs_dir)
2594                 return;
2595
2596         debugfs_remove_recursive(priv->debugfs_dir);
2597         priv->debugfs_dir = NULL;
2598 }